90807612 has 48 divisors (see below), whose sum is σ = 254903040. Its totient is φ = 24579072.

The previous prime is 90807601. The next prime is 90807623. The reversal of 90807612 is 21670809.

It is an interprime number because it is at equal distance from previous prime (90807601) and next prime (90807623).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26853 + ... + 30044.

It is an arithmetic number, because the mean of its divisors is an integer number (5310480).

Almost surely, 2^90807612 is an apocalyptic number.

It is an amenable number.

90807612 is an abundant number, since it is smaller than the sum of its proper divisors (164095428).

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

90807612 is a wasteful number, since it uses less digits than its factorization.

90807612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56930 (or 56928 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 90807612 is about 9529.3028076560. The cubic root of 90807612 is about 449.4769428778.

It can be divided in two parts, 90807 and 612, that added together give a palindrome (91419).

The spelling of 90807612 in words is "ninety million, eight hundred seven thousand, six hundred twelve".