14821389 has 12 divisors (see below), whose sum is σ = 23355072. Its totient is φ = 8982600.

The previous prime is 14821381. The next prime is 14821421. The reversal of 14821389 is 98312841.

It is not a de Polignac number, because 14821389 - 2³ = 14821381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14821381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74757 + ... + 74954.

It is an arithmetic number, because the mean of its divisors is an integer number (1946256).

Almost surely, 2^14821389 is an apocalyptic number.

It is an amenable number.

14821389 is a deficient number, since it is larger than the sum of its proper divisors (8533683).

14821389 is a wasteful number, since it uses less digits than its factorization.

14821389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149728 (or 149725 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 14821389 is about 3849.8557115819. The cubic root of 14821389 is about 245.6384237948.

The spelling of 14821389 in words is "fourteen million, eight hundred twenty-one thousand, three hundred eighty-nine".