190490492 has 6 divisors (see below), whose sum is σ = 333358368. Its totient is φ = 95245244.

The previous prime is 190490479. The next prime is 190490501. The reversal of 190490492 is 294094091.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23811308 + ... + 23811315.

It is an arithmetic number, because the mean of its divisors is an integer number (55559728).

Almost surely, 2^190490492 is an apocalyptic number.

It is an amenable number.

190490492 is a deficient number, since it is larger than the sum of its proper divisors (142867876).

190490492 is a wasteful number, since it uses less digits than its factorization.

190490492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47622627 (or 47622625 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 190490492 is about 13801.8292990458. The cubic root of 190490492 is about 575.3839824625.

The spelling of 190490492 in words is "one hundred ninety million, four hundred ninety thousand, four hundred ninety-two".