90301232 has 20 divisors (see below), whose sum is σ = 199952976. Its totient is φ = 38700480.

The previous prime is 90301231. The next prime is 90301271. The reversal of 90301232 is 23210309.

It is a super-3 number, since 3×90301232³ (a number of 25 digits) contains 333 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (90301231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403019 + ... + 403242.

Almost surely, 2^90301232 is an apocalyptic number.

It is an amenable number.

90301232 is an abundant number, since it is smaller than the sum of its proper divisors (109651744).

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

90301232 is a wasteful number, since it uses less digits than its factorization.

90301232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806276 (or 806270 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 90301232 is about 9502.6960384935. The cubic root of 90301232 is about 448.6398965865.

The spelling of 90301232 in words is "ninety million, three hundred one thousand, two hundred thirty-two".