190468904 has 8 divisors (see below), whose sum is σ = 357129210. Its totient is φ = 95234448.

The previous prime is 190468877. The next prime is 190468961. The reversal of 190468904 is 409864091.

It can be written as a sum of positive squares in only one way, i.e., 190384804 + 84100 = 13798^2 + 290^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×190468904² = 72556806781922432, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11904299 + ... + 11904314.

Almost surely, 2^190468904 is an apocalyptic number.

It is an amenable number.

190468904 is a deficient number, since it is larger than the sum of its proper divisors (166660306).

190468904 is a wasteful number, since it uses less digits than its factorization.

190468904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23808619 (or 23808615 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 190468904 is about 13801.0472066434. The cubic root of 190468904 is about 575.3622458419.

The spelling of 190468904 in words is "one hundred ninety million, four hundred sixty-eight thousand, nine hundred four".