190492886 has 12 divisors (see below), whose sum is σ = 287185668. Its totient is φ = 94765752.

The previous prime is 190492873. The next prime is 190492891. The reversal of 190492886 is 688294091.

It is a self number, because there is not a number n which added to its sum of digits gives 190492886.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 341720 + ... + 342276.

It is an arithmetic number, because the mean of its divisors is an integer number (23932139).

Almost surely, 2^190492886 is an apocalyptic number.

190492886 is a deficient number, since it is larger than the sum of its proper divisors (96692782).

190492886 is an frugal number, since it uses more digits than its factorization.

190492886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423 (or 866 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 47.

The square root of 190492886 is about 13801.9160264073. The cubic root of 190492886 is about 575.3863928426.

The spelling of 190492886 in words is "one hundred ninety million, four hundred ninety-two thousand, eight hundred eighty-six".