90122604 has 96 divisors (see below), whose sum is σ = 255709440. Its totient is φ = 24326400.

The previous prime is 90122563. The next prime is 90122621. The reversal of 90122604 is 40622109.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48859 + ... + 50669.

It is an arithmetic number, because the mean of its divisors is an integer number (2663640).

Almost surely, 2^90122604 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 90122604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127854720).

90122604 is an abundant number, since it is smaller than the sum of its proper divisors (165586836).

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

90122604 is a wasteful number, since it uses less digits than its factorization.

90122604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1871 (or 1869 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 90122604 is about 9493.2925795005. The cubic root of 90122604 is about 448.3438779307.

The spelling of 90122604 in words is "ninety million, one hundred twenty-two thousand, six hundred four".