90900632 has 32 divisors (see below), whose sum is σ = 184317120. Its totient is φ = 41863680.

The previous prime is 90900629. The next prime is 90900637. The reversal of 90900632 is 23600909.

It is a junction number, because it is equal to n+sod(n) for n = 90900595 and 90900604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90900637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 719 + ... + 13502.

It is an arithmetic number, because the mean of its divisors is an integer number (5759910).

Almost surely, 2^90900632 is an apocalyptic number.

It is an amenable number.

90900632 is an abundant number, since it is smaller than the sum of its proper divisors (93416488).

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

90900632 is a wasteful number, since it uses less digits than its factorization.

90900632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14291 (or 14287 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 90900632 is about 9534.1822932017. The cubic root of 90900632 is about 449.6303664220.

The spelling of 90900632 in words is "ninety million, nine hundred thousand, six hundred thirty-two".