14257388 has 12 divisors (see below), whose sum is σ = 24980592. Its totient is φ = 7120080.

The previous prime is 14257343. The next prime is 14257421. The reversal of 14257388 is 88375241.

It is a super-2 number, since 2×14257388² = 406546225165088, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2873 + ... + 6063.

It is an arithmetic number, because the mean of its divisors is an integer number (2081716).

Almost surely, 2^14257388 is an apocalyptic number.

It is an amenable number.

14257388 is a deficient number, since it is larger than the sum of its proper divisors (10723204).

14257388 is a wasteful number, since it uses less digits than its factorization.

14257388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4312 (or 4310 counting only the distinct ones).

The product of its digits is 53760, while the sum is 38.

The square root of 14257388 is about 3775.8956553379. The cubic root of 14257388 is about 242.4822702877.

The spelling of 14257388 in words is "fourteen million, two hundred fifty-seven thousand, three hundred eighty-eight".