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3388 = 227112
BaseRepresentation
bin110100111100
311122111
4310330
5102023
623404
712610
oct6474
94574
103388
112600
121b64
131708
141340
15100d
hexd3c

3388 has 18 divisors (see below), whose sum is σ = 7448. Its totient is φ = 1320.

The previous prime is 3373. The next prime is 3389. The reversal of 3388 is 8833.

3388 is nontrivially palindromic in base 3.

3388 is an astonishing number since 3388 = 33 + ... + 88.

It is a super-2 number, since 2×33882 = 22957088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a plaindrome in base 10.

It is a zygodrome in base 3 and base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3389) by changing a digit.

3388 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 303 + ... + 313.

23388 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3724).

3388 is an abundant number, since it is smaller than the sum of its proper divisors (4060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3388 is a wasteful number, since it uses less digits than its factorization.

3388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33 (or 20 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 3388 is about 58.2065288434. The cubic root of 3388 is about 15.0192345841.

The spelling of 3388 in words is "three thousand, three hundred eighty-eight".

Divisors: 1 2 4 7 11 14 22 28 44 77 121 154 242 308 484 847 1694 3388