18424966 has 16 divisors (see below), whose sum is σ = 31641120. Its totient is φ = 7882560.

The previous prime is 18424961. The next prime is 18424969. The reversal of 18424966 is 66942481.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18424961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13650 + ... + 14938.

It is an arithmetic number, because the mean of its divisors is an integer number (1977570).

Almost surely, 2^18424966 is an apocalyptic number.

18424966 is a deficient number, since it is larger than the sum of its proper divisors (13216154).

18424966 is a wasteful number, since it uses less digits than its factorization.

18424966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2319.

The product of its digits is 82944, while the sum is 40.

The square root of 18424966 is about 4292.4312458093. The cubic root of 18424966 is about 264.1205735583.

The spelling of 18424966 in words is "eighteen million, four hundred twenty-four thousand, nine hundred sixty-six".