10509992 has 16 divisors (see below), whose sum is σ = 20342400. Its totient is φ = 5085360.

The previous prime is 10509991. The next prime is 10509997. The reversal of 10509992 is 29990501.

It is a super-2 number, since 2×10509992² = 220919863680128, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (10509991) 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, 20942 + ... + 21437.

It is an arithmetic number, because the mean of its divisors is an integer number (1271400).

Almost surely, 2^10509992 is an apocalyptic number.

It is an amenable number.

10509992 is a deficient number, since it is larger than the sum of its proper divisors (9832408).

10509992 is a wasteful number, since it uses less digits than its factorization.

10509992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42416 (or 42412 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 35.

The square root of 10509992 is about 3241.9117816498. The cubic root of 10509992 is about 219.0453955366.

The spelling of 10509992 in words is "ten million, five hundred nine thousand, nine hundred ninety-two".