90580836 has 24 divisors (see below), whose sum is σ = 212705920. Its totient is φ = 30000672.

The previous prime is 90580829. The next prime is 90580837. The reversal of 90580836 is 63808509.

It is a junction number, because it is equal to n+sod(n) for n = 90580794 and 90580803.

It is not an unprimeable number, because it can be changed into a prime (90580837) 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, 22156 + ... + 25923.

Almost surely, 2^90580836 is an apocalyptic number.

It is an amenable number.

90580836 is an abundant number, since it is smaller than the sum of its proper divisors (122125084).

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

90580836 is a wasteful number, since it uses less digits than its factorization.

90580836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48243 (or 48241 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 90580836 is about 9517.3964927390. The cubic root of 90580836 is about 449.1024678381.

The spelling of 90580836 in words is "ninety million, five hundred eighty thousand, eight hundred thirty-six".