90324647 has 16 divisors (see below), whose sum is σ = 109071360. Its totient is φ = 73153248.

The previous prime is 90324617. The next prime is 90324673. The reversal of 90324647 is 74642309.

It is not a de Polignac number, because 90324647 - 2⁶ = 90324583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90324617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4808 + ... + 14274.

It is an arithmetic number, because the mean of its divisors is an integer number (6816960).

Almost surely, 2^90324647 is an apocalyptic number.

90324647 is a deficient number, since it is larger than the sum of its proper divisors (18746713).

90324647 is a wasteful number, since it uses less digits than its factorization.

90324647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9550.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 90324647 is about 9503.9279774207. The cubic root of 90324647 is about 448.6786704958.

The spelling of 90324647 in words is "ninety million, three hundred twenty-four thousand, six hundred forty-seven".