90464523 has 16 divisors (see below), whose sum is σ = 123776640. Its totient is φ = 58749824.

The previous prime is 90464503. The next prime is 90464527. The reversal of 90464523 is 32546409.

It is a cyclic number.

It is not a de Polignac number, because 90464523 - 2¹² = 90460427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90464527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17740 + ... + 22262.

It is an arithmetic number, because the mean of its divisors is an integer number (7736040).

Almost surely, 2^90464523 is an apocalyptic number.

90464523 is a deficient number, since it is larger than the sum of its proper divisors (33312117).

90464523 is a wasteful number, since it uses less digits than its factorization.

90464523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4698.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 90464523 is about 9511.2839827228. The cubic root of 90464523 is about 448.9101577344.

The spelling of 90464523 in words is "ninety million, four hundred sixty-four thousand, five hundred twenty-three".