1457397 has 12 divisors (see below), whose sum is σ = 2131584. Its totient is φ = 959400.

The previous prime is 1457389. The next prime is 1457411. The reversal of 1457397 is 7937541.

It is a happy number.

It is not a de Polignac number, because 1457397 - 2³ = 1457389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1457497) 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 in 11 ways as a sum of consecutive naturals, for example, 229 + ... + 1722.

It is an arithmetic number, because the mean of its divisors is an integer number (177632).

2^1457397 is an apocalyptic number.

It is an amenable number.

1457397 is a deficient number, since it is larger than the sum of its proper divisors (674187).

1457397 is a wasteful number, since it uses less digits than its factorization.

1457397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2040 (or 2037 counting only the distinct ones).

The product of its digits is 26460, while the sum is 36.

The square root of 1457397 is about 1207.2269877699. The cubic root of 1457397 is about 113.3772599812.

The spelling of 1457397 in words is "one million, four hundred fifty-seven thousand, three hundred ninety-seven".