190874632 has 16 divisors (see below), whose sum is σ = 385420140. Its totient is φ = 88095936.

The previous prime is 190874597. The next prime is 190874669. The reversal of 190874632 is 236478091.

It can be written as a sum of positive squares in 2 ways, for example, as 190053796 + 820836 = 13786^2 + 906^2 .

It is a super-2 number, since 2×190874632² = 72866250282270848, which contains 22 as substring.

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, 917563 + ... + 917770.

Almost surely, 2^190874632 is an apocalyptic number.

It is an amenable number.

190874632 is an abundant number, since it is smaller than the sum of its proper divisors (194545508).

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

190874632 is a wasteful number, since it uses less digits than its factorization.

190874632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1835352 (or 1835348 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 190874632 is about 13815.7385615102. The cubic root of 190874632 is about 575.7704927342.

The spelling of 190874632 in words is "one hundred ninety million, eight hundred seventy-four thousand, six hundred thirty-two".