190920684 has 24 divisors (see below), whose sum is σ = 447975360. Its totient is φ = 63283984.

The previous prime is 190920679. The next prime is 190920701. The reversal of 190920684 is 486029091.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42294 + ... + 46589.

It is an arithmetic number, because the mean of its divisors is an integer number (18665640).

Almost surely, 2^190920684 is an apocalyptic number.

It is an amenable number.

190920684 is an abundant number, since it is smaller than the sum of its proper divisors (257054676).

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

190920684 is a wasteful number, since it uses less digits than its factorization.

190920684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89069 (or 89067 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 190920684 is about 13817.4051109461. The cubic root of 190920684 is about 575.8167940687.

The spelling of 190920684 in words is "one hundred ninety million, nine hundred twenty thousand, six hundred eighty-four".