14899989 has 16 divisors (see below), whose sum is σ = 21700224. Its totient is φ = 9038400.

The previous prime is 14899979. The next prime is 14899991. The reversal of 14899989 is 98999841.

It is a happy number.

It is not a de Polignac number, because 14899989 - 2⁷ = 14899861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14899909) 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, 79 + ... + 5459.

It is an arithmetic number, because the mean of its divisors is an integer number (1356264).

Almost surely, 2^14899989 is an apocalyptic number.

It is an amenable number.

14899989 is a deficient number, since it is larger than the sum of its proper divisors (6800235).

14899989 is a wasteful number, since it uses less digits than its factorization.

14899989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5468.

The product of its digits is 1679616, while the sum is 57.

The square root of 14899989 is about 3860.0503882722. The cubic root of 14899989 is about 246.0718773375.

The spelling of 14899989 in words is "fourteen million, eight hundred ninety-nine thousand, nine hundred eighty-nine".