190255684 has 12 divisors (see below), whose sum is σ = 334378044. Its totient is φ = 94719104.

The previous prime is 190255661. The next prime is 190255691. The reversal of 190255684 is 486552091.

It can be written as a sum of positive squares in 2 ways, for example, as 69255684 + 121000000 = 8322^2 + 11000^2 .

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, 101137 + ... + 103000.

It is an arithmetic number, because the mean of its divisors is an integer number (27864837).

Almost surely, 2^190255684 is an apocalyptic number.

It is an amenable number.

190255684 is a deficient number, since it is larger than the sum of its proper divisors (144122360).

190255684 is a wasteful number, since it uses less digits than its factorization.

190255684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204374 (or 204372 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 190255684 is about 13793.3202674338. The cubic root of 190255684 is about 575.1474696738.

The spelling of 190255684 in words is "one hundred ninety million, two hundred fifty-five thousand, six hundred eighty-four".