1999932792 has 64 divisors (see below), whose sum is σ = 5873938560. Its totient is φ = 559420800.

The previous prime is 1999932787. The next prime is 1999932797. The reversal of 1999932792 is 2972399991.

It is an interprime number because it is at equal distance from previous prime (1999932787) and next prime (1999932797).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1999932797) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 287934 + ... + 294797.

It is an arithmetic number, because the mean of its divisors is an integer number (91780290).

Almost surely, 2^1999932792 is an apocalyptic number.

1999932792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1999932792 is an abundant number, since it is smaller than the sum of its proper divisors (3874005768).

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

1999932792 is a wasteful number, since it uses less digits than its factorization.

1999932792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582764 (or 582760 counting only the distinct ones).

The product of its digits is 4960116, while the sum is 60.

The square root of 1999932792 is about 44720.6081353999. The cubic root of 1999932792 is about 1259.9069369411.

The spelling of 1999932792 in words is "one billion, nine hundred ninety-nine million, nine hundred thirty-two thousand, seven hundred ninety-two".