9720924 has 24 divisors (see below), whose sum is σ = 23210880. Its totient is φ = 3164784.

The previous prime is 9720917. The next prime is 9720937. The reversal of 9720924 is 4290279.

9720924 = T₄₄ + T₄₅ + ... + T₃₈₇.

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, 8904 + ... + 9935.

It is an arithmetic number, because the mean of its divisors is an integer number (967120).

Almost surely, 2^9720924 is an apocalyptic number.

It is an amenable number.

9720924 is an abundant number, since it is smaller than the sum of its proper divisors (13489956).

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

9720924 is a wasteful number, since it uses less digits than its factorization.

9720924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18889 (or 18887 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 9720924 is about 3117.8396366715. The cubic root of 9720924 is about 213.4203605436.

The spelling of 9720924 in words is "nine million, seven hundred twenty thousand, nine hundred twenty-four".