14440664 has 16 divisors (see below), whose sum is σ = 30944400. Its totient is φ = 6188832.

The previous prime is 14440661. The next prime is 14440687. The reversal of 14440664 is 46604441.

14440664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14440661) 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, 128879 + ... + 128990.

It is an arithmetic number, because the mean of its divisors is an integer number (1934025).

Almost surely, 2^14440664 is an apocalyptic number.

14440664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

14440664 is an abundant number, since it is smaller than the sum of its proper divisors (16503736).

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

14440664 is a wasteful number, since it uses less digits than its factorization.

14440664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257882 (or 257878 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 14440664 is about 3800.0873674167. The cubic root of 14440664 is about 243.5168707663.

The spelling of 14440664 in words is "fourteen million, four hundred forty thousand, six hundred sixty-four".