256834332 has 36 divisors (see below), whose sum is σ = 665058576. Its totient is φ = 83522880.

The previous prime is 256834327. The next prime is 256834363. The reversal of 256834332 is 233438652.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85528 + ... + 88479.

Almost surely, 2^256834332 is an apocalyptic number.

It is an amenable number.

256834332 is an abundant number, since it is smaller than the sum of its proper divisors (408224244).

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

256834332 is a wasteful number, since it uses less digits than its factorization.

256834332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174058 (or 174053 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 256834332 is about 16026.0516659594. The cubic root of 256834332 is about 635.6494745814.

The spelling of 256834332 in words is "two hundred fifty-six million, eight hundred thirty-four thousand, three hundred thirty-two".