18496994 has 16 divisors (see below), whose sum is σ = 29289600. Its totient is φ = 8736624.

The previous prime is 18496979. The next prime is 18496999. The reversal of 18496994 is 49969481.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (18496999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25367 + ... + 26085.

It is an arithmetic number, because the mean of its divisors is an integer number (1830600).

Almost surely, 2^18496994 is an apocalyptic number.

18496994 is a deficient number, since it is larger than the sum of its proper divisors (10792606).

18496994 is a wasteful number, since it uses less digits than its factorization.

18496994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417.

The product of its digits is 559872, while the sum is 50.

The square root of 18496994 is about 4300.8131789233. The cubic root of 18496994 is about 264.4642981247.

The spelling of 18496994 in words is "eighteen million, four hundred ninety-six thousand, nine hundred ninety-four".