90525924 has 60 divisors (see below), whose sum is σ = 237756288. Its totient is φ = 30034800.

The previous prime is 90525893. The next prime is 90525943. The reversal of 90525924 is 42952509.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 87289 + ... + 88319.

Almost surely, 2^90525924 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 90525924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118878144).

90525924 is an abundant number, since it is smaller than the sum of its proper divisors (147230364).

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

90525924 is a wasteful number, since it uses less digits than its factorization.

90525924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318 (or 1307 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 90525924 is about 9514.5112328485. The cubic root of 90525924 is about 449.0116977192.

The spelling of 90525924 in words is "ninety million, five hundred twenty-five thousand, nine hundred twenty-four".