190948904 has 8 divisors (see below), whose sum is σ = 358029210. Its totient is φ = 95474448.

The previous prime is 190948889. The next prime is 190948909. The reversal of 190948904 is 409849091.

It can be written as a sum of positive squares in only one way, i.e., 187744804 + 3204100 = 13702^2 + 1790^2 .

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

It is a super-2 number, since 2×190948904² = 72922967877602432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (190948909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11934299 + ... + 11934314.

Almost surely, 2^190948904 is an apocalyptic number.

It is an amenable number.

190948904 is a deficient number, since it is larger than the sum of its proper divisors (167080306).

190948904 is a wasteful number, since it uses less digits than its factorization.

190948904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23868619 (or 23868615 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 190948904 is about 13818.4262490343. The cubic root of 190948904 is about 575.8451631782.

The spelling of 190948904 in words is "one hundred ninety million, nine hundred forty-eight thousand, nine hundred four".