9699972 has 24 divisors (see below), whose sum is σ = 22715616. Its totient is φ = 3221568.

The previous prime is 9699959. The next prime is 9699973. The reversal of 9699972 is 2799969.

It is not an unprimeable number, because it can be changed into a prime (9699973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2368 + ... + 5000.

It is an arithmetic number, because the mean of its divisors is an integer number (946484).

Almost surely, 2^9699972 is an apocalyptic number.

It is an amenable number.

9699972 is an abundant number, since it is smaller than the sum of its proper divisors (13015644).

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

9699972 is a wasteful number, since it uses less digits than its factorization.

9699972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2947 (or 2945 counting only the distinct ones).

The product of its digits is 551124, while the sum is 51.

The square root of 9699972 is about 3114.4778053472. The cubic root of 9699972 is about 213.2669183449.

The spelling of 9699972 in words is "nine million, six hundred ninety-nine thousand, nine hundred seventy-two".