1992915924 has 48 divisors (see below), whose sum is σ = 4759339200. Its totient is φ = 648850176.

The previous prime is 1992915923. The next prime is 1992915929. The reversal of 1992915924 is 4295192991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1992915923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102192 + ... + 120120.

It is an arithmetic number, because the mean of its divisors is an integer number (99152900).

Almost surely, 2^1992915924 is an apocalyptic number.

It is an amenable number.

1992915924 is an abundant number, since it is smaller than the sum of its proper divisors (2766423276).

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

1992915924 is a wasteful number, since it uses less digits than its factorization.

1992915924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18152 (or 18150 counting only the distinct ones).

The product of its digits is 524880, while the sum is 51.

The square root of 1992915924 is about 44642.0869135841. The cubic root of 1992915924 is about 1258.4317273507.

It can be divided in two parts, 19929 and 15924, that added together give a palindrome (35853).

The spelling of 1992915924 in words is "one billion, nine hundred ninety-two million, nine hundred fifteen thousand, nine hundred twenty-four".