14639889 has 16 divisors (see below), whose sum is σ = 21749760. Its totient is φ = 8682960.

The previous prime is 14639881. The next prime is 14639893. The reversal of 14639889 is 98893641.

It is not a de Polignac number, because 14639889 - 2³ = 14639881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14639881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3169 + ... + 6270.

It is an arithmetic number, because the mean of its divisors is an integer number (1359360).

Almost surely, 2^14639889 is an apocalyptic number.

It is an amenable number.

14639889 is a deficient number, since it is larger than the sum of its proper divisors (7109871).

14639889 is a wasteful number, since it uses less digits than its factorization.

14639889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9500.

The product of its digits is 373248, while the sum is 48.

The square root of 14639889 is about 3826.2107887569. The cubic root of 14639889 is about 244.6316218725.

The spelling of 14639889 in words is "fourteen million, six hundred thirty-nine thousand, eight hundred eighty-nine".