9381972 has 24 divisors (see below), whose sum is σ = 23044000. Its totient is φ = 2962656.

The previous prime is 9381949. The next prime is 9381997. The reversal of 9381972 is 2791839.

It is a self number, because there is not a number n which added to its sum of digits gives 9381972.

It is a congruent number.

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, 20347 + ... + 20802.

Almost surely, 2^9381972 is an apocalyptic number.

It is an amenable number.

9381972 is an abundant number, since it is smaller than the sum of its proper divisors (13662028).

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

9381972 is a wasteful number, since it uses less digits than its factorization.

9381972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41175 (or 41173 counting only the distinct ones).

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

The square root of 9381972 is about 3063.0004897159. Note that the first 3 decimals coincide. The cubic root of 9381972 is about 210.9104237070.

The spelling of 9381972 in words is "nine million, three hundred eighty-one thousand, nine hundred seventy-two".