90585492 has 24 divisors (see below), whose sum is σ = 214345152. Its totient is φ = 29769600.

The previous prime is 90585491. The next prime is 90585527. The reversal of 90585492 is 29458509.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90585491) 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, 52309 + ... + 54012.

It is an arithmetic number, because the mean of its divisors is an integer number (8931048).

Almost surely, 2^90585492 is an apocalyptic number.

It is an amenable number.

90585492 is an abundant number, since it is smaller than the sum of its proper divisors (123759660).

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

90585492 is a wasteful number, since it uses less digits than its factorization.

90585492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106399 (or 106397 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 90585492 is about 9517.6410943048. The cubic root of 90585492 is about 449.1101625682.

The spelling of 90585492 in words is "ninety million, five hundred eighty-five thousand, four hundred ninety-two".