90398704 has 40 divisors (see below), whose sum is σ = 191831472. Its totient is φ = 40926720.

The previous prime is 90398687. The next prime is 90398729. The reversal of 90398704 is 40789309.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50692 + ... + 52444.

Almost surely, 2^90398704 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 90398704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95915736).

90398704 is an abundant number, since it is smaller than the sum of its proper divisors (101432768).

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

90398704 is a wasteful number, since it uses less digits than its factorization.

90398704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2065 (or 2059 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 90398704 is about 9507.8233050473. The cubic root of 90398704 is about 448.8012605839.

The spelling of 90398704 in words is "ninety million, three hundred ninety-eight thousand, seven hundred four".