492192890 has 32 divisors (see below), whose sum is σ = 1045177344. Its totient is φ = 163307520.

The previous prime is 492192871. The next prime is 492192923. The reversal of 492192890 is 98291294.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111239 + ... + 115578.

It is an arithmetic number, because the mean of its divisors is an integer number (32661792).

Almost surely, 2^492192890 is an apocalyptic number.

492192890 is an abundant number, since it is smaller than the sum of its proper divisors (552984454).

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

492192890 is a wasteful number, since it uses less digits than its factorization.

492192890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226862.

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

The square root of 492192890 is about 22185.4206631292. The cubic root of 492192890 is about 789.5478318280.

The spelling of 492192890 in words is "four hundred ninety-two million, one hundred ninety-two thousand, eight hundred ninety".