992691672 has 128 divisors (see below), whose sum is σ = 2999808000. Its totient is φ = 267724800.

The previous prime is 992691647. The next prime is 992691709. The reversal of 992691672 is 276196299.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 211204 + ... + 215852.

It is an arithmetic number, because the mean of its divisors is an integer number (23436000).

Almost surely, 2^992691672 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 992691672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1499904000).

992691672 is an abundant number, since it is smaller than the sum of its proper divisors (2007116328).

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

992691672 is a wasteful number, since it uses less digits than its factorization.

992691672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4737 (or 4733 counting only the distinct ones).

The product of its digits is 734832, while the sum is 51.

The square root of 992691672 is about 31507.0098866903. The cubic root of 992691672 is about 997.5579318243.

The spelling of 992691672 in words is "nine hundred ninety-two million, six hundred ninety-one thousand, six hundred seventy-two".