351656 has 16 divisors (see below), whose sum is σ = 666900. Its totient is φ = 173824.

The previous prime is 351653. The next prime is 351661. The reversal of 351656 is 656153.

It can be written as a sum of positive squares in 2 ways, for example, as 280900 + 70756 = 530^2 + 266^2 .

It is not an unprimeable number, because it can be changed into a prime (351653) 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, 710 + ... + 1098.

2³⁵¹⁶⁵⁶ is an apocalyptic number.

It is an amenable number.

351656 is a deficient number, since it is larger than the sum of its proper divisors (315244).

351656 is a wasteful number, since it uses less digits than its factorization.

351656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508 (or 504 counting only the distinct ones).

The product of its digits is 2700, while the sum is 26.

The square root of 351656 is about 593.0059021629. The cubic root of 351656 is about 70.5839584555.

The spelling of 351656 in words is "three hundred fifty-one thousand, six hundred fifty-six".