14385987 has 24 divisors (see below), whose sum is σ = 25908480. Its totient is φ = 7472880.

The previous prime is 14385977. The next prime is 14385989. The reversal of 14385987 is 78958341.

14385987 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 14385987 - 2⁶ = 14385923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14385989) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9687 + ... + 11072.

It is an arithmetic number, because the mean of its divisors is an integer number (1079520).

Almost surely, 2^14385987 is an apocalyptic number.

14385987 is a deficient number, since it is larger than the sum of its proper divisors (11522493).

14385987 is a wasteful number, since it uses less digits than its factorization.

14385987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20783 (or 20780 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 14385987 is about 3792.8863679261. The cubic root of 14385987 is about 243.2091376396.

The spelling of 14385987 in words is "fourteen million, three hundred eighty-five thousand, nine hundred eighty-seven".