9969724 has 48 divisors (see below), whose sum is σ = 19305216. Its totient is φ = 4492800.

The previous prime is 9969719. The next prime is 9969731. The reversal of 9969724 is 4279699.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188082 + ... + 188134.

It is an arithmetic number, because the mean of its divisors is an integer number (402192).

Almost surely, 2^9969724 is an apocalyptic number.

It is an amenable number.

9969724 is a deficient number, since it is larger than the sum of its proper divisors (9335492).

9969724 is a wasteful number, since it uses less digits than its factorization.

9969724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 164 counting only the distinct ones).

The product of its digits is 244944, while the sum is 46.

The square root of 9969724 is about 3157.4869754284. The cubic root of 9969724 is about 215.2258236586.

The spelling of 9969724 in words is "nine million, nine hundred sixty-nine thousand, seven hundred twenty-four".