14638490 has 32 divisors (see below), whose sum is σ = 27466560. Its totient is φ = 5612544.

The previous prime is 14638489. The next prime is 14638501. The reversal of 14638490 is 9483641.

It is a self number, because there is not a number n which added to its sum of digits gives 14638490.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25082 + ... + 25658.

It is an arithmetic number, because the mean of its divisors is an integer number (858330).

Almost surely, 2^14638490 is an apocalyptic number.

14638490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14638490 is a deficient number, since it is larger than the sum of its proper divisors (12828070).

14638490 is a wasteful number, since it uses less digits than its factorization.

14638490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 14638490 is about 3826.0279664425. The cubic root of 14638490 is about 244.6238292237.

The spelling of 14638490 in words is "fourteen million, six hundred thirty-eight thousand, four hundred ninety".