354256 has 20 divisors (see below), whose sum is σ = 784672. Its totient is φ = 151776.

The previous prime is 354253. The next prime is 354257. The reversal of 354256 is 652453.

It is a super-3 number, since 3×354256³ = 133374528912027648, which contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 354256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354251) 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, 1470 + ... + 1693.

2³⁵⁴²⁵⁶ is an apocalyptic number.

It is an amenable number.

354256 is an abundant number, since it is smaller than the sum of its proper divisors (430416).

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

354256 is a wasteful number, since it uses less digits than its factorization.

354256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3178 (or 3172 counting only the distinct ones).

The product of its digits is 3600, while the sum is 25.

The square root of 354256 is about 595.1940859921. The cubic root of 354256 is about 70.7574877515.

The spelling of 354256 in words is "three hundred fifty-four thousand, two hundred fifty-six".