14989939 has 2 divisors, whose sum is σ = 14989940. Its totient is φ = 14989938.

The previous prime is 14989913. The next prime is 14989943. The reversal of 14989939 is 93998941.

It is a strong prime.

It is an emirp because it is prime and its reverse (93998941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14989939 - 2⁷ = 14989811 is a prime.

It is not a weakly prime, because it can be changed into another prime (14989999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7494969 + 7494970.

It is an arithmetic number, because the mean of its divisors is an integer number (7494970).

Almost surely, 2^14989939 is an apocalyptic number.

14989939 is a deficient number, since it is larger than the sum of its proper divisors (1).

14989939 is an equidigital number, since it uses as much as digits as its factorization.

14989939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 629856, while the sum is 52.

The square root of 14989939 is about 3871.6842588207. The cubic root of 14989939 is about 246.5660560791.

The spelling of 14989939 in words is "fourteen million, nine hundred eighty-nine thousand, nine hundred thirty-nine".