10011992 has 16 divisors (see below), whose sum is σ = 19589040. Its totient is φ = 4788256.

The previous prime is 10011979. The next prime is 10012001. The reversal of 10011992 is 29911001.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

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, 27023 + ... + 27390.

It is an arithmetic number, because the mean of its divisors is an integer number (1224315).

Almost surely, 2^10011992 is an apocalyptic number.

It is an amenable number.

10011992 is a deficient number, since it is larger than the sum of its proper divisors (9577048).

10011992 is a wasteful number, since it uses less digits than its factorization.

10011992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54442 (or 54438 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 23.

The square root of 10011992 is about 3164.1731937427. The cubic root of 10011992 is about 215.5295545371.

Adding to 10011992 its reverse (29911001), we get a palindrome (39922993).

The spelling of 10011992 in words is "ten million, eleven thousand, nine hundred ninety-two".