90392842 has 24 divisors (see below), whose sum is σ = 151633440. Its totient is φ = 40294080.

The previous prime is 90392839. The next prime is 90392909. The reversal of 90392842 is 24829309.

90392842 is nontrivially palindromic in base 15.

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 11 ways as a sum of consecutive naturals, for example, 6867 + ... + 15097.

It is an arithmetic number, because the mean of its divisors is an integer number (6318060).

Almost surely, 2^90392842 is an apocalyptic number.

90392842 is a deficient number, since it is larger than the sum of its proper divisors (61240598).

90392842 is a wasteful number, since it uses less digits than its factorization.

90392842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8286 (or 8269 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 90392842 is about 9507.5150275979. The cubic root of 90392842 is about 448.7915593760.

It can be divided in two parts, 9039 and 2842, that added together give a square (11881 = 109²).

The spelling of 90392842 in words is "ninety million, three hundred ninety-two thousand, eight hundred forty-two".