14439971 has 16 divisors (see below), whose sum is σ = 17950464. Its totient is φ = 11310624.

The previous prime is 14439967. The next prime is 14439973. The reversal of 14439971 is 17993441.

14439971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 14439971 - 2² = 14439967 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14439973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8996 + ... + 10478.

It is an arithmetic number, because the mean of its divisors is an integer number (1121904).

Almost surely, 2^14439971 is an apocalyptic number.

14439971 is a deficient number, since it is larger than the sum of its proper divisors (3510493).

14439971 is a wasteful number, since it uses less digits than its factorization.

14439971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610.

The product of its digits is 27216, while the sum is 38.

The square root of 14439971 is about 3799.9961842086. The cubic root of 14439971 is about 243.5129752877.

The spelling of 14439971 in words is "fourteen million, four hundred thirty-nine thousand, nine hundred seventy-one".