187996104 has 48 divisors (see below), whose sum is σ = 516768720. Its totient is φ = 61728480.

The previous prime is 187996091. The next prime is 187996139. The reversal of 187996104 is 401699781.

It is a happy number.

187996104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 187996104.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14662 + ... + 24309.

It is an arithmetic number, because the mean of its divisors is an integer number (10766015).

Almost surely, 2^187996104 is an apocalyptic number.

It is an amenable number.

187996104 is an abundant number, since it is smaller than the sum of its proper divisors (328772616).

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

187996104 is a wasteful number, since it uses less digits than its factorization.

187996104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39050 (or 39043 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 187996104 is about 13711.1671275643. The cubic root of 187996104 is about 572.8614743303.

The spelling of 187996104 in words is "one hundred eighty-seven million, nine hundred ninety-six thousand, one hundred four".