14663940 has 24 divisors (see below), whose sum is σ = 41059200. Its totient is φ = 3910368.

The previous prime is 14663927. The next prime is 14663941. The reversal of 14663940 is 4936641.

It is a super-2 number, since 2×14663940² = 430062272647200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14663941) 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 7 ways as a sum of consecutive naturals, for example, 122140 + ... + 122259.

It is an arithmetic number, because the mean of its divisors is an integer number (1710800).

Almost surely, 2^14663940 is an apocalyptic number.

14663940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14663940 is an abundant number, since it is smaller than the sum of its proper divisors (26395260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14663940 is a wasteful number, since it uses less digits than its factorization.

14663940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244411 (or 244409 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 14663940 is about 3829.3524256720. The cubic root of 14663940 is about 244.7655121435.

The spelling of 14663940 in words is "fourteen million, six hundred sixty-three thousand, nine hundred forty".