90636232 has 16 divisors (see below), whose sum is σ = 178887600. Its totient is φ = 42932880.

The previous prime is 90636229. The next prime is 90636239. The reversal of 90636232 is 23263609.

It is a junction number, because it is equal to n+sod(n) for n = 90636194 and 90636203.

It is not an unprimeable number, because it can be changed into a prime (90636239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297994 + ... + 298297.

It is an arithmetic number, because the mean of its divisors is an integer number (11180475).

Almost surely, 2^90636232 is an apocalyptic number.

It is an amenable number.

90636232 is a deficient number, since it is larger than the sum of its proper divisors (88251368).

90636232 is a wasteful number, since it uses less digits than its factorization.

90636232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596316 (or 596312 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 90636232 is about 9520.3062975936. The cubic root of 90636232 is about 449.1940008508.

The spelling of 90636232 in words is "ninety million, six hundred thirty-six thousand, two hundred thirty-two".