1456397 has 4 divisors (see below), whose sum is σ = 1459296. Its totient is φ = 1453500.

The previous prime is 1456393. The next prime is 1456417. The reversal of 1456397 is 7936541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7936541 = 23 ⋅345067.

It is a cyclic number.

It is not a de Polignac number, because 1456397 - 2² = 1456393 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 (1456391) 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, 479 + ... + 1772.

It is an arithmetic number, because the mean of its divisors is an integer number (364824).

2^1456397 is an apocalyptic number.

It is an amenable number.

1456397 is a deficient number, since it is larger than the sum of its proper divisors (2899).

1456397 is an equidigital number, since it uses as much as digits as its factorization.

1456397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2898.

The product of its digits is 22680, while the sum is 35.

The square root of 1456397 is about 1206.8127443808. The cubic root of 1456397 is about 113.3513225962.

The spelling of 1456397 in words is "one million, four hundred fifty-six thousand, three hundred ninety-seven".