90806192 has 80 divisors (see below), whose sum is σ = 192844800. Its totient is φ = 41314560.

The previous prime is 90806189. The next prime is 90806201. The reversal of 90806192 is 29160809.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 848603 + ... + 848709.

It is an arithmetic number, because the mean of its divisors is an integer number (2410560).

Almost surely, 2^90806192 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 90806192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96422400).

90806192 is an abundant number, since it is smaller than the sum of its proper divisors (102038608).

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

90806192 is a wasteful number, since it uses less digits than its factorization.

90806192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 90806192 is about 9529.2283003400. The cubic root of 90806192 is about 449.4745999737.

The spelling of 90806192 in words is "ninety million, eight hundred six thousand, one hundred ninety-two".