992429172 has 120 divisors (see below), whose sum is σ = 2974555584. Its totient is φ = 282642048.

The previous prime is 992429161. The next prime is 992429177. The reversal of 992429172 is 271924299.

992429172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×992429172² = 1969831322873211168, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (992429177) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1058688 + ... + 1059624.

Almost surely, 2^992429172 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 992429172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1487277792).

992429172 is an abundant number, since it is smaller than the sum of its proper divisors (1982126412).

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

992429172 is a wasteful number, since it uses less digits than its factorization.

992429172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427 (or 1416 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 992429172 is about 31502.8438716253. The cubic root of 992429172 is about 997.4699951402.

The spelling of 992429172 in words is "nine hundred ninety-two million, four hundred twenty-nine thousand, one hundred seventy-two".