14838457 has 2 divisors, whose sum is σ = 14838458. Its totient is φ = 14838456.

The previous prime is 14838437. The next prime is 14838493. The reversal of 14838457 is 75483841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14167696 + 670761 = 3764^2 + 819^2 .

It is an emirp because it is prime and its reverse (75483841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14838457 - 2¹⁹ = 14314169 is a prime.

It is a super-2 number, since 2×14838457² = 440359612281698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14838407) 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 as a sum of consecutive naturals, namely, 7419228 + 7419229.

It is an arithmetic number, because the mean of its divisors is an integer number (7419229).

Almost surely, 2^14838457 is an apocalyptic number.

It is an amenable number.

14838457 is a deficient number, since it is larger than the sum of its proper divisors (1).

14838457 is an equidigital number, since it uses as much as digits as its factorization.

14838457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 107520, while the sum is 40.

The square root of 14838457 is about 3852.0717802242. The cubic root of 14838457 is about 245.7326783053.

The spelling of 14838457 in words is "fourteen million, eight hundred thirty-eight thousand, four hundred fifty-seven".