90047932 has 36 divisors (see below), whose sum is σ = 176183616. Its totient is φ = 40210560.

The previous prime is 90047879. The next prime is 90047939. The reversal of 90047932 is 23974009.

It is a super-3 number, since 3×90047932³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90047939) 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, 18808 + ... + 23104.

Almost surely, 2^90047932 is an apocalyptic number.

It is an amenable number.

90047932 is a deficient number, since it is larger than the sum of its proper divisors (86135684).

90047932 is a wasteful number, since it uses less digits than its factorization.

90047932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4358 (or 4343 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 90047932 is about 9489.3588824535. The cubic root of 90047932 is about 448.2200170893.

The spelling of 90047932 in words is "ninety million, forty-seven thousand, nine hundred thirty-two".