14664643 has 8 divisors (see below), whose sum is σ = 17300480. Its totient is φ = 12164040.

The previous prime is 14664613. The next prime is 14664649. The reversal of 14664643 is 34646641.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 14664643 - 2²¹ = 12567491 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14664599 and 14664608.

It is not an unprimeable number, because it can be changed into a prime (14664649) 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, 33573 + ... + 34006.

It is an arithmetic number, because the mean of its divisors is an integer number (2162560).

Almost surely, 2^14664643 is an apocalyptic number.

14664643 is a deficient number, since it is larger than the sum of its proper divisors (2635837).

14664643 is an equidigital number, since it uses as much as digits as its factorization.

14664643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67617.

The product of its digits is 41472, while the sum is 34.

The square root of 14664643 is about 3829.4442155488. Note that the first 3 decimals coincide. The cubic root of 14664643 is about 244.7694234935.

It can be divided in two parts, 146646 and 43, that added together give a square (146689 = 383²).

The spelling of 14664643 in words is "fourteen million, six hundred sixty-four thousand, six hundred forty-three".