1992932590 has 16 divisors (see below), whose sum is σ = 3913395120. Its totient is φ = 724702720.

The previous prime is 1992932581. The next prime is 1992932611. The reversal of 1992932590 is 952392991.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9058675 + ... + 9058894.

It is an arithmetic number, because the mean of its divisors is an integer number (244587195).

Almost surely, 2^1992932590 is an apocalyptic number.

1992932590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1992932590 is a deficient number, since it is larger than the sum of its proper divisors (1920462530).

1992932590 is a wasteful number, since it uses less digits than its factorization.

1992932590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18117587.

The product of its (nonzero) digits is 393660, while the sum is 49.

The square root of 1992932590 is about 44642.2735756144. The cubic root of 1992932590 is about 1258.4352352700.

The spelling of 1992932590 in words is "one billion, nine hundred ninety-two million, nine hundred thirty-two thousand, five hundred ninety".