190897204 has 12 divisors (see below), whose sum is σ = 339056704. Its totient is φ = 94023864.

The previous prime is 190897193. The next prime is 190897219. The reversal of 190897204 is 402798091.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 355884 + ... + 356419.

Almost surely, 2^190897204 is an apocalyptic number.

It is an amenable number.

190897204 is a deficient number, since it is larger than the sum of its proper divisors (148159500).

190897204 is a wasteful number, since it uses less digits than its factorization.

190897204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712374 (or 712372 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 190897204 is about 13816.5554317999. Note that the first 3 decimals coincide. The cubic root of 190897204 is about 575.7931878739.

The spelling of 190897204 in words is "one hundred ninety million, eight hundred ninety-seven thousand, two hundred four".