9864992 has 24 divisors (see below), whose sum is σ = 19561500. Its totient is φ = 4897024.

The previous prime is 9864989. The next prime is 9865007. The reversal of 9864992 is 2994689.

It can be written as a sum of positive squares in 2 ways, for example, as 8317456 + 1547536 = 2884^2 + 1244^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3734 + ... + 5802.

Almost surely, 2^9864992 is an apocalyptic number.

It is an amenable number.

9864992 is a deficient number, since it is larger than the sum of its proper divisors (9696508).

9864992 is a wasteful number, since it uses less digits than its factorization.

9864992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228 (or 2220 counting only the distinct ones).

The product of its digits is 279936, while the sum is 47.

The square root of 9864992 is about 3140.8584813710. The cubic root of 9864992 is about 214.4695196700.

The spelling of 9864992 in words is "nine million, eight hundred sixty-four thousand, nine hundred ninety-two".