84090508 has 12 divisors (see below), whose sum is σ = 150747912. Its totient is φ = 41019680.

The previous prime is 84090497. The next prime is 84090521. The reversal of 84090508 is 80509048.

84090508 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

84090508 is strictly pandigital in base 9.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 256210 + ... + 256537.

It is an arithmetic number, because the mean of its divisors is an integer number (12562326).

Almost surely, 2^84090508 is an apocalyptic number.

It is an amenable number.

84090508 is a deficient number, since it is larger than the sum of its proper divisors (66657404).

84090508 is a wasteful number, since it uses less digits than its factorization.

84090508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512792 (or 512790 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 84090508 is about 9170.0876767891. The cubic root of 84090508 is about 438.1091517823.

The spelling of 84090508 in words is "eighty-four million, ninety thousand, five hundred eight".