14649439 has 4 divisors (see below), whose sum is σ = 16742224. Its totient is φ = 12556656.

The previous prime is 14649403. The next prime is 14649457. The reversal of 14649439 is 93494641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93494641 = 109 ⋅857749.

It is not a de Polignac number, because 14649439 - 2⁹ = 14648927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14649139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1046382 + ... + 1046395.

It is an arithmetic number, because the mean of its divisors is an integer number (4185556).

Almost surely, 2^14649439 is an apocalyptic number.

14649439 is a deficient number, since it is larger than the sum of its proper divisors (2092785).

14649439 is an equidigital number, since it uses as much as digits as its factorization.

14649439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2092784.

The product of its digits is 93312, while the sum is 40.

The square root of 14649439 is about 3827.4585562746. The cubic root of 14649439 is about 244.6848036095.

The spelling of 14649439 in words is "fourteen million, six hundred forty-nine thousand, four hundred thirty-nine".