14257389 has 8 divisors (see below), whose sum is σ = 19035040. Its totient is φ = 9492336.

The previous prime is 14257343. The next prime is 14257421. The reversal of 14257389 is 98375241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 14257389 - 2¹¹ = 14255341 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 (14257289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79 + ... + 5340.

It is an arithmetic number, because the mean of its divisors is an integer number (2379380).

Almost surely, 2^14257389 is an apocalyptic number.

It is an amenable number.

14257389 is a deficient number, since it is larger than the sum of its proper divisors (4777651).

14257389 is an equidigital number, since it uses as much as digits as its factorization.

14257389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6299.

The product of its digits is 60480, while the sum is 39.

The square root of 14257389 is about 3775.8957877569. The cubic root of 14257389 is about 242.4822759569.

It can be divided in two parts, 14 and 257389, that added together give a triangular number (257403 = T₇₁₇).

The spelling of 14257389 in words is "fourteen million, two hundred fifty-seven thousand, three hundred eighty-nine".