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BaseRepresentation
bin110101100100
311200222
4311210
5102203
623512
712665
oct6544
94628
103428
112637
121b98
131739
14136c
151038
hexd64

3428 has 6 divisors (see below), whose sum is σ = 6006. Its totient is φ = 1712.

The previous prime is 3413. The next prime is 3433. The reversal of 3428 is 8243.

3428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3364 + 64 = 58^2 + 8^2 .

It is a plaindrome in base 14.

It is a nialpdrome in base 8 and base 16.

It is an unprimeable number.

3428 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425 + ... + 432.

It is an arithmetic number, because the mean of its divisors is an integer number (1001).

23428 is an apocalyptic number.

It is an amenable number.

3428 is a deficient number, since it is larger than the sum of its proper divisors (2578).

3428 is a wasteful number, since it uses less digits than its factorization.

3428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861 (or 859 counting only the distinct ones).

The product of its digits is 192, while the sum is 17.

The square root of 3428 is about 58.5491246732. The cubic root of 3428 is about 15.0781110567.

The spelling of 3428 in words is "three thousand, four hundred twenty-eight".

Divisors: 1 2 4 857 1714 3428