9726864 has 40 divisors (see below), whose sum is σ = 28718400. Its totient is φ = 2779008.

The previous prime is 9726823. The next prime is 9726883. The reversal of 9726864 is 4686279.

It is a super-2 number, since 2×9726864² = 189223766548992, which contains 22 as substring.

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

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, 14139 + ... + 14810.

It is an arithmetic number, because the mean of its divisors is an integer number (717960).

Almost surely, 2^9726864 is an apocalyptic number.

It is an amenable number.

9726864 is an abundant number, since it is smaller than the sum of its proper divisors (18991536).

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

9726864 is a wasteful number, since it uses less digits than its factorization.

9726864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28967 (or 28961 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 9726864 is about 3118.7920738645. The cubic root of 9726864 is about 213.4638220779.

The spelling of 9726864 in words is "nine million, seven hundred twenty-six thousand, eight hundred sixty-four".