90340592 has 40 divisors (see below), whose sum is σ = 188559360. Its totient is φ = 41791680.

The previous prime is 90340577. The next prime is 90340633. The reversal of 90340592 is 29504309.

It is a super-2 number, since 2×90340592² = 16322845125820928, which contains 22 as substring.

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, 9617 + ... + 16527.

It is an arithmetic number, because the mean of its divisors is an integer number (4713984).

Almost surely, 2^90340592 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 90340592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94279680).

90340592 is an abundant number, since it is smaller than the sum of its proper divisors (98218768).

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

90340592 is a wasteful number, since it uses less digits than its factorization.

90340592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6981 (or 6975 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 90340592 is about 9504.7668040831. The cubic root of 90340592 is about 448.7050706745.

The spelling of 90340592 in words is "ninety million, three hundred forty thousand, five hundred ninety-two".