14664869 has 4 divisors (see below), whose sum is σ = 15302496. Its totient is φ = 14027244.

The previous prime is 14664857. The next prime is 14664883. The reversal of 14664869 is 96846641.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96846641 = 83 ⋅1166827.

It is a cyclic number.

It is not a de Polignac number, because 14664869 - 2⁸ = 14664613 is a prime.

It is a super-2 number, since 2×14664869² = 430116765574322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14664809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318779 + ... + 318824.

It is an arithmetic number, because the mean of its divisors is an integer number (3825624).

Almost surely, 2^14664869 is an apocalyptic number.

It is an amenable number.

14664869 is a deficient number, since it is larger than the sum of its proper divisors (637627).

14664869 is an equidigital number, since it uses as much as digits as its factorization.

14664869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637626.

The product of its digits is 248832, while the sum is 44.

The square root of 14664869 is about 3829.4737236336. The cubic root of 14664869 is about 244.7706808853.

The spelling of 14664869 in words is "fourteen million, six hundred sixty-four thousand, eight hundred sixty-nine".