90384392 has 16 divisors (see below), whose sum is σ = 193680960. Its totient is φ = 38736144.

The previous prime is 90384391. The next prime is 90384397. The reversal of 90384392 is 29348309.

It is not an unprimeable number, because it can be changed into a prime (90384391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 806948 + ... + 807059.

It is an arithmetic number, because the mean of its divisors is an integer number (12105060).

Almost surely, 2^90384392 is an apocalyptic number.

It is an amenable number.

90384392 is an abundant number, since it is smaller than the sum of its proper divisors (103296568).

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

90384392 is a wasteful number, since it uses less digits than its factorization.

90384392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614020 (or 1614016 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 90384392 is about 9507.0706319034. The cubic root of 90384392 is about 448.7775744676. Note that the first 3 decimals are identical.

The spelling of 90384392 in words is "ninety million, three hundred eighty-four thousand, three hundred ninety-two".