90232432 has 10 divisors (see below), whose sum is σ = 174825368. Its totient is φ = 45116208.

The previous prime is 90232423. The next prime is 90232469. The reversal of 90232432 is 23423209.

It is a junction number, because it is equal to n+sod(n) for n = 90232397 and 90232406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2819748 + ... + 2819779.

Almost surely, 2^90232432 is an apocalyptic number.

It is an amenable number.

90232432 is a deficient number, since it is larger than the sum of its proper divisors (84592936).

90232432 is a wasteful number, since it uses less digits than its factorization.

90232432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5639535 (or 5639529 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 90232432 is about 9499.0753234196. The cubic root of 90232432 is about 448.5259289011.

The spelling of 90232432 in words is "ninety million, two hundred thirty-two thousand, four hundred thirty-two".