200790432 has 108 divisors (see below), whose sum is σ = 592079670. Its totient is φ = 64544256.

The previous prime is 200790419. The next prime is 200790479. The reversal of 200790432 is 234097002.

It can be written as a sum of positive squares in 3 ways, for example, as 179667216 + 21123216 = 13404^2 + 4596^2 .

It is a junction number, because it is equal to n+sod(n) for n = 200790396 and 200790405.

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, 241794 + ... + 242622.

Almost surely, 2^200790432 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 200790432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296039835).

200790432 is an abundant number, since it is smaller than the sum of its proper divisors (391289238).

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

200790432 is a wasteful number, since it uses less digits than its factorization.

200790432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903 (or 863 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 200790432 is about 14170.0540577656. The cubic root of 200790432 is about 585.5729473304.

The spelling of 200790432 in words is "two hundred million, seven hundred ninety thousand, four hundred thirty-two".