9992744 has 16 divisors (see below), whose sum is σ = 18770400. Its totient is φ = 4987312.

The previous prime is 9992743. The next prime is 9992761. The reversal of 9992744 is 4472999.

Its product of digits (163296) is a multiple of the sum of its prime divisors (2268).

It is a junction number, because it is equal to n+sod(n) for n = 9992695 and 9992704.

It is not an unprimeable number, because it can be changed into a prime (9992743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6917 + ... + 8235.

It is an arithmetic number, because the mean of its divisors is an integer number (1173150).

Almost surely, 2^9992744 is an apocalyptic number.

It is an amenable number.

9992744 is a deficient number, since it is larger than the sum of its proper divisors (8777656).

9992744 is a wasteful number, since it uses less digits than its factorization.

9992744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2272 (or 2268 counting only the distinct ones).

The product of its digits is 163296, while the sum is 44.

The square root of 9992744 is about 3161.1301776422. The cubic root of 9992744 is about 215.3913478011.

The spelling of 9992744 in words is "nine million, nine hundred ninety-two thousand, seven hundred forty-four".