14920389 has 24 divisors (see below), whose sum is σ = 24301760. Its totient is φ = 9040680.

The previous prime is 14920379. The next prime is 14920421. The reversal of 14920389 is 98302941.

It is not a de Polignac number, because 14920389 - 2⁵ = 14920357 is a prime.

It is a super-2 number, since 2×14920389² = 445236015822642, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14920309) 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 23 ways as a sum of consecutive naturals, for example, 984 + ... + 5550.

Almost surely, 2^14920389 is an apocalyptic number.

It is an amenable number.

14920389 is a deficient number, since it is larger than the sum of its proper divisors (9381371).

14920389 is a wasteful number, since it uses less digits than its factorization.

14920389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4598 (or 4581 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 14920389 is about 3862.6919369787. The cubic root of 14920389 is about 246.1841274671.

The spelling of 14920389 in words is "fourteen million, nine hundred twenty thousand, three hundred eighty-nine".