90302412 has 24 divisors (see below), whose sum is σ = 211616496. Its totient is φ = 29970688.

The previous prime is 90302371. The next prime is 90302413. The reversal of 90302412 is 21420309.

It is a super-2 number, since 2×90302412² = 16309051226035488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90302413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13353 + ... + 18944.

It is an arithmetic number, because the mean of its divisors is an integer number (8817354).

Almost surely, 2^90302412 is an apocalyptic number.

It is an amenable number.

90302412 is an abundant number, since it is smaller than the sum of its proper divisors (121314084).

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

90302412 is a wasteful number, since it uses less digits than its factorization.

90302412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32537 (or 32535 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 90302412 is about 9502.7581259338. The cubic root of 90302412 is about 448.6418507598.

The spelling of 90302412 in words is "ninety million, three hundred two thousand, four hundred twelve".