432343656 has 72 divisors (see below), whose sum is σ = 1216052370. Its totient is φ = 144097056.

The previous prime is 432343649. The next prime is 432343669. The reversal of 432343656 is 656343234.

It can be written as a sum of positive squares in only one way, i.e., 347076900 + 85266756 = 18630^2 + 9234^2 .

It is a tau number, because it is divible by the number of its divisors (72).

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

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 432343656.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 48370 + ... + 56606.

Almost surely, 2^432343656 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 432343656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (608026185).

432343656 is an abundant number, since it is smaller than the sum of its proper divisors (783708714).

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

432343656 is an frugal number, since it uses more digits than its factorization.

432343656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8267 (or 8242 counting only the distinct ones).

The product of its digits is 155520, while the sum is 36.

The square root of 432343656 is about 20792.8751258694. The cubic root of 432343656 is about 756.1530302459.

The spelling of 432343656 in words is "four hundred thirty-two million, three hundred forty-three thousand, six hundred fifty-six".