90392000 has 56 divisors (see below), whose sum is σ = 223875600. Its totient is φ = 36153600.

The previous prime is 90391993. The next prime is 90392021. The reversal of 90392000 is 29309.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2351 + ... + 13649.

Almost surely, 2^90392000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90392000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111937800).

90392000 is an abundant number, since it is smaller than the sum of its proper divisors (133483600).

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

90392000 is a wasteful number, since it uses less digits than its factorization.

90392000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11326 (or 11306 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 90392000 is about 9507.4707467339. The cubic root of 90392000 is about 448.7901658893.

The spelling of 90392000 in words is "ninety million, three hundred ninety-two thousand".