9689972 has 24 divisors (see below), whose sum is σ = 17415552. Its totient is φ = 4716000.

The previous prime is 9689957. The next prime is 9689987. The reversal of 9689972 is 2799869.

It is an interprime number because it is at equal distance from previous prime (9689957) and next prime (9689987).

It is a self number, because there is not a number n which added to its sum of digits gives 9689972.

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, 36713 + ... + 36975.

It is an arithmetic number, because the mean of its divisors is an integer number (725648).

Almost surely, 2^9689972 is an apocalyptic number.

It is an amenable number.

9689972 is a deficient number, since it is larger than the sum of its proper divisors (7725580).

9689972 is a wasteful number, since it uses less digits than its factorization.

9689972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479 (or 477 counting only the distinct ones).

The product of its digits is 489888, while the sum is 50.

The square root of 9689972 is about 3112.8719858035. The cubic root of 9689972 is about 213.1936053332.

The spelling of 9689972 in words is "nine million, six hundred eighty-nine thousand, nine hundred seventy-two".