14904389 has 4 divisors (see below), whose sum is σ = 14951724. Its totient is φ = 14857056.

The previous prime is 14904353. The next prime is 14904419. The reversal of 14904389 is 98340941.

14904389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98340941 = 19 ⋅5175839.

It can be written as a sum of positive squares in 2 ways, for example, as 7924225 + 6980164 = 2815^2 + 2642^2 .

It is a cyclic number.

It is not a de Polignac number, because 14904389 - 2⁸ = 14904133 is a prime.

It is a super-2 number, since 2×14904389² = 444281622926642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14904319) 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, 23192 + ... + 23825.

It is an arithmetic number, because the mean of its divisors is an integer number (3737931).

Almost surely, 2^14904389 is an apocalyptic number.

It is an amenable number.

14904389 is a deficient number, since it is larger than the sum of its proper divisors (47335).

14904389 is an equidigital number, since it uses as much as digits as its factorization.

14904389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47334.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 14904389 is about 3860.6202869487. The cubic root of 14904389 is about 246.0960968118.

The spelling of 14904389 in words is "fourteen million, nine hundred four thousand, three hundred eighty-nine".