90324305 has 16 divisors (see below), whose sum is σ = 110383104. Its totient is φ = 70943040.

The previous prime is 90324301. The next prime is 90324307. The reversal of 90324305 is 50342309.

It is not a de Polignac number, because 90324305 - 2² = 90324301 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90324301) 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 15 ways as a sum of consecutive naturals, for example, 64715 + ... + 66095.

It is an arithmetic number, because the mean of its divisors is an integer number (6898944).

Almost surely, 2^90324305 is an apocalyptic number.

It is an amenable number.

90324305 is a deficient number, since it is larger than the sum of its proper divisors (20058799).

90324305 is a wasteful number, since it uses less digits than its factorization.

90324305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 90324305 is about 9503.9099848431. The cubic root of 90324305 is about 448.6781042114.

The spelling of 90324305 in words is "ninety million, three hundred twenty-four thousand, three hundred five".