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3387 = 31129
BaseRepresentation
bin110100111011
311122110
4310323
5102022
623403
712606
oct6473
94573
103387
1125aa
121b63
131707
14133d
15100c
hexd3b

3387 has 4 divisors (see below), whose sum is σ = 4520. Its totient is φ = 2256.

The previous prime is 3373. The next prime is 3389. The reversal of 3387 is 7833.

It can be divided in two parts, 33 and 87, that added together give a triangular number (120 = T15).

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3387 - 24 = 3371 is a prime.

It is a super-2 number, since 2×33872 = 22943538, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 11 and base 14.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 562 + ... + 567.

It is an arithmetic number, because the mean of its divisors is an integer number (1130).

23387 is an apocalyptic number.

3387 is a deficient number, since it is larger than the sum of its proper divisors (1133).

3387 is a wasteful number, since it uses less digits than its factorization.

3387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132.

The product of its digits is 504, while the sum is 21.

The square root of 3387 is about 58.1979381078. The cubic root of 3387 is about 15.0177567493.

The spelling of 3387 in words is "three thousand, three hundred eighty-seven".

Divisors: 1 3 1129 3387