9393972 has 24 divisors (see below), whose sum is σ = 25050816. Its totient is φ = 2683968.

The previous prime is 9393949. The next prime is 9393973. The reversal of 9393972 is 2793939.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9393973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55833 + ... + 56000.

It is an arithmetic number, because the mean of its divisors is an integer number (1043784).

Almost surely, 2^9393972 is an apocalyptic number.

It is an amenable number.

9393972 is an abundant number, since it is smaller than the sum of its proper divisors (15656844).

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

9393972 is a wasteful number, since it uses less digits than its factorization.

9393972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111847 (or 111845 counting only the distinct ones).

The product of its digits is 91854, while the sum is 42.

The square root of 9393972 is about 3064.9587272914. The cubic root of 9393972 is about 211.0003069708. Note that the first 3 decimals are identical.

The spelling of 9393972 in words is "nine million, three hundred ninety-three thousand, nine hundred seventy-two".