90970332 has 48 divisors (see below), whose sum is σ = 232515360. Its totient is φ = 27553792.

The previous prime is 90970301. The next prime is 90970343. The reversal of 90970332 is 23307909.

It is a junction number, because it is equal to n+sod(n) for n = 90970293 and 90970302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1773 + ... + 13604.

It is an arithmetic number, because the mean of its divisors is an integer number (4844070).

Almost surely, 2^90970332 is an apocalyptic number.

It is an amenable number.

90970332 is an abundant number, since it is smaller than the sum of its proper divisors (141545028).

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

90970332 is a wasteful number, since it uses less digits than its factorization.

90970332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15430 (or 15428 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 33.

The square root of 90970332 is about 9537.8368616789. The cubic root of 90970332 is about 449.7452582889.

The spelling of 90970332 in words is "ninety million, nine hundred seventy thousand, three hundred thirty-two".