356426 has 12 divisors (see below), whose sum is σ = 622098. Its totient is φ = 152712.

The previous prime is 356399. The next prime is 356441. The reversal of 356426 is 624653.

It can be written as a sum of positive squares in only one way, i.e., 354025 + 2401 = 595^2 + 49^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 356395 and 356404.

It is an unprimeable number.

356426 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 in 5 ways as a sum of consecutive naturals, for example, 1721 + ... + 1916.

2³⁵⁶⁴²⁶ is an apocalyptic number.

356426 is a deficient number, since it is larger than the sum of its proper divisors (265672).

356426 is a wasteful number, since it uses less digits than its factorization.

356426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3653 (or 3646 counting only the distinct ones).

The product of its digits is 4320, while the sum is 26.

The square root of 356426 is about 597.0142376862. The cubic root of 356426 is about 70.9016690776.

The spelling of 356426 in words is "three hundred fifty-six thousand, four hundred twenty-six".