356431656 has 128 divisors (see below), whose sum is σ = 1107751680. Its totient is φ = 93229056.

The previous prime is 356431643. The next prime is 356431661. The reversal of 356431656 is 656134653.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103986 + ... + 107358.

It is an arithmetic number, because the mean of its divisors is an integer number (8654310).

Almost surely, 2^356431656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 356431656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (553875840).

356431656 is an abundant number, since it is smaller than the sum of its proper divisors (751320024).

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

356431656 is a wasteful number, since it uses less digits than its factorization.

356431656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3443 (or 3439 counting only the distinct ones).

The product of its digits is 194400, while the sum is 39.

The square root of 356431656 is about 18879.3976598831. The cubic root of 356431656 is about 709.0204411355.

The spelling of 356431656 in words is "three hundred fifty-six million, four hundred thirty-one thousand, six hundred fifty-six".