90397002 has 16 divisors (see below), whose sum is σ = 187028640. Its totient is φ = 29093232.

The previous prime is 90397001. The next prime is 90397019. The reversal of 90397002 is 20079309.

It is not an unprimeable number, because it can be changed into a prime (90397001) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 259588 + ... + 259935.

It is an arithmetic number, because the mean of its divisors is an integer number (11689290).

Almost surely, 2^90397002 is an apocalyptic number.

90397002 is an abundant number, since it is smaller than the sum of its proper divisors (96631638).

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

90397002 is a wasteful number, since it uses less digits than its factorization.

90397002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519557.

The product of its (nonzero) digits is 3402, while the sum is 30.

The square root of 90397002 is about 9507.7337993867. The cubic root of 90397002 is about 448.7984439338.

The spelling of 90397002 in words is "ninety million, three hundred ninety-seven thousand, two".