999092920 has 128 divisors (see below), whose sum is σ = 2723414400. Its totient is φ = 322560000.

The previous prime is 999092881. The next prime is 999092933. The reversal of 999092920 is 29290999.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 331420 + ... + 334420.

It is an arithmetic number, because the mean of its divisors is an integer number (21276675).

Almost surely, 2^999092920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 999092920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1361707200).

999092920 is an abundant number, since it is smaller than the sum of its proper divisors (1724321480).

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

999092920 is a wasteful number, since it uses less digits than its factorization.

999092920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3089 (or 3085 counting only the distinct ones).

The product of its (nonzero) digits is 236196, while the sum is 49.

The square root of 999092920 is about 31608.4311537286. The cubic root of 999092920 is about 999.6975485323.

The spelling of 999092920 in words is "nine hundred ninety-nine million, ninety-two thousand, nine hundred twenty".