14994409 has 2 divisors, whose sum is σ = 14994410. Its totient is φ = 14994408.

The previous prime is 14994407. The next prime is 14994443. The reversal of 14994409 is 90449941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14992384 + 2025 = 3872^2 + 45^2 .

It is a cyclic number.

It is not a de Polignac number, because 14994409 - 2¹ = 14994407 is a prime.

Together with 14994407, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14994403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7497204 + 7497205.

It is an arithmetic number, because the mean of its divisors is an integer number (7497205).

Almost surely, 2^14994409 is an apocalyptic number.

It is an amenable number.

14994409 is a deficient number, since it is larger than the sum of its proper divisors (1).

14994409 is an equidigital number, since it uses as much as digits as its factorization.

14994409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 14994409 is about 3872.2614839393. The cubic root of 14994409 is about 246.5905623103.

The spelling of 14994409 in words is "fourteen million, nine hundred ninety-four thousand, four hundred nine".