9831972 has 24 divisors (see below), whose sum is σ = 23006592. Its totient is φ = 3268000.

The previous prime is 9831953. The next prime is 9832003. The reversal of 9831972 is 2791389.

It is a self number, because there is not a number n which added to its sum of digits gives 9831972.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4222 + ... + 6122.

It is an arithmetic number, because the mean of its divisors is an integer number (958608).

Almost surely, 2^9831972 is an apocalyptic number.

It is an amenable number.

9831972 is an abundant number, since it is smaller than the sum of its proper divisors (13174620).

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

9831972 is a wasteful number, since it uses less digits than its factorization.

9831972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2339 (or 2337 counting only the distinct ones).

The product of its digits is 27216, while the sum is 39.

The square root of 9831972 is about 3135.5975507070. The cubic root of 9831972 is about 214.2299621308.

The spelling of 9831972 in words is "nine million, eight hundred thirty-one thousand, nine hundred seventy-two".