14893979 has 2 divisors, whose sum is σ = 14893980. Its totient is φ = 14893978.

The previous prime is 14893937. The next prime is 14893987. The reversal of 14893979 is 97939841.

It is a strong prime.

It is an emirp because it is prime and its reverse (97939841) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14893979 is a prime.

It is a super-2 number, since 2×14893979² = 443661220904882, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14893909) 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 as a sum of consecutive naturals, namely, 7446989 + 7446990.

It is an arithmetic number, because the mean of its divisors is an integer number (7446990).

Almost surely, 2^14893979 is an apocalyptic number.

14893979 is a deficient number, since it is larger than the sum of its proper divisors (1).

14893979 is an equidigital number, since it uses as much as digits as its factorization.

14893979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 50.

The square root of 14893979 is about 3859.2718225075. The cubic root of 14893979 is about 246.0387880319.

The spelling of 14893979 in words is "fourteen million, eight hundred ninety-three thousand, nine hundred seventy-nine".