14991992 has 16 divisors (see below), whose sum is σ = 28231200. Its totient is φ = 7463680.

The previous prime is 14991973. The next prime is 14991997. The reversal of 14991992 is 29919941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14991997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2009 + ... + 5832.

It is an arithmetic number, because the mean of its divisors is an integer number (1764450).

Almost surely, 2^14991992 is an apocalyptic number.

It is an amenable number.

14991992 is a deficient number, since it is larger than the sum of its proper divisors (13239208).

14991992 is a wasteful number, since it uses less digits than its factorization.

14991992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8086 (or 8082 counting only the distinct ones).

The product of its digits is 52488, while the sum is 44.

The square root of 14991992 is about 3871.9493798344. The cubic root of 14991992 is about 246.5773120067.

The spelling of 14991992 in words is "fourteen million, nine hundred ninety-one thousand, nine hundred ninety-two".