90195928 has 16 divisors (see below), whose sum is σ = 169334280. Its totient is φ = 45040128.

The previous prime is 90195923. The next prime is 90195943. The reversal of 90195928 is 82959109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90195923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201 + ... + 13432.

Almost surely, 2^90195928 is an apocalyptic number.

It is an amenable number.

90195928 is a deficient number, since it is larger than the sum of its proper divisors (79138352).

90195928 is a wasteful number, since it uses less digits than its factorization.

90195928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14466 (or 14462 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 43.

The square root of 90195928 is about 9497.1536788661. The cubic root of 90195928 is about 448.4654362432.

The spelling of 90195928 in words is "ninety million, one hundred ninety-five thousand, nine hundred twenty-eight".