90739392 has 112 divisors (see below), whose sum is σ = 252264672. Its totient is φ = 28753920.

The previous prime is 90739379. The next prime is 90739399. The reversal of 90739392 is 29393709.

It is not an unprimeable number, because it can be changed into a prime (90739399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 376392 + ... + 376632.

Almost surely, 2^90739392 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 90739392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126132336).

90739392 is an abundant number, since it is smaller than the sum of its proper divisors (161525280).

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

90739392 is a wasteful number, since it uses less digits than its factorization.

90739392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346 (or 336 counting only the distinct ones).

The product of its (nonzero) digits is 91854, while the sum is 42.

The square root of 90739392 is about 9525.7226497521. The cubic root of 90739392 is about 449.3643568722.

The spelling of 90739392 in words is "ninety million, seven hundred thirty-nine thousand, three hundred ninety-two".