9992472 has 96 divisors (see below), whose sum is σ = 30164400. Its totient is φ = 2747136.

The previous prime is 9992449. The next prime is 9992483. The reversal of 9992472 is 2742999.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33958 + ... + 34250.

Almost surely, 2^9992472 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 9992472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15082200).

9992472 is an abundant number, since it is smaller than the sum of its proper divisors (20171928).

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

9992472 is a wasteful number, since it uses less digits than its factorization.

9992472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345 (or 334 counting only the distinct ones).

The product of its digits is 81648, while the sum is 42.

The square root of 9992472 is about 3161.0871547618. The cubic root of 9992472 is about 215.3893934837.

The spelling of 9992472 in words is "nine million, nine hundred ninety-two thousand, four hundred seventy-two".