90916432 has 20 divisors (see below), whose sum is σ = 176693056. Its totient is φ = 45318240.

The previous prime is 90916417. The next prime is 90916453. The reversal of 90916432 is 23461909.

It is a super-2 number, since 2×90916432² = 16531595215221248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3288 + ... + 13879.

Almost surely, 2^90916432 is an apocalyptic number.

It is an amenable number.

90916432 is a deficient number, since it is larger than the sum of its proper divisors (85776624).

90916432 is a wasteful number, since it uses less digits than its factorization.

90916432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17506 (or 17500 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 90916432 is about 9535.0108547395. The cubic root of 90916432 is about 449.6564159227.

The spelling of 90916432 in words is "ninety million, nine hundred sixteen thousand, four hundred thirty-two".