190293992 has 16 divisors (see below), whose sum is σ = 407772960. Its totient is φ = 81554544.

The previous prime is 190293989. The next prime is 190294001. The reversal of 190293992 is 299392091.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

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 in 3 ways as a sum of consecutive naturals, for example, 1698998 + ... + 1699109.

It is an arithmetic number, because the mean of its divisors is an integer number (25485810).

Almost surely, 2^190293992 is an apocalyptic number.

It is an amenable number.

190293992 is an abundant number, since it is smaller than the sum of its proper divisors (217478968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

190293992 is a wasteful number, since it uses less digits than its factorization.

190293992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3398120 (or 3398116 counting only the distinct ones).

The product of its (nonzero) digits is 78732, while the sum is 44.

The square root of 190293992 is about 13794.7088407114. The cubic root of 190293992 is about 575.1860690824.

The spelling of 190293992 in words is "one hundred ninety million, two hundred ninety-three thousand, nine hundred ninety-two".