90200192 has 32 divisors (see below), whose sum is σ = 180189120. Its totient is φ = 44976384.

The previous prime is 90200189. The next prime is 90200213. The reversal of 90200192 is 29100209.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61613 + ... + 63059.

It is an arithmetic number, because the mean of its divisors is an integer number (5630910).

Almost surely, 2^90200192 is an apocalyptic number.

It is an amenable number.

90200192 is a deficient number, since it is larger than the sum of its proper divisors (89988928).

90200192 is a wasteful number, since it uses less digits than its factorization.

90200192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1948 (or 1936 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 90200192 is about 9497.3781645252. The cubic root of 90200192 is about 448.4725031789.

The spelling of 90200192 in words is "ninety million, two hundred thousand, one hundred ninety-two".