323470656 has 84 divisors (see below), whose sum is σ = 933640500. Its totient is φ = 107071488.

The previous prime is 323470633. The next prime is 323470657. The reversal of 323470656 is 656074323.

It can be written as a sum of positive squares in 2 ways, for example, as 149230656 + 174240000 = 12216^2 + 13200^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 323470656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323470657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83940 + ... + 87708.

Almost surely, 2^323470656 is an apocalyptic number.

323470656 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 323470656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (466820250).

323470656 is an abundant number, since it is smaller than the sum of its proper divisors (610169844).

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

323470656 is a wasteful number, since it uses less digits than its factorization.

323470656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3936 (or 3923 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 36.

The square root of 323470656 is about 17985.2899893218. The cubic root of 323470656 is about 686.4542999083.

The spelling of 323470656 in words is "three hundred twenty-three million, four hundred seventy thousand, six hundred fifty-six".