6397497 has 24 divisors (see below), whose sum is σ = 9646208. Its totient is φ = 4082400.

The previous prime is 6397493. The next prime is 6397511. The reversal of 6397497 is 7947936.

6397497 is a `hidden beast` number, since 639 + 7 + 4 + 9 + 7 = 666.

It is not a de Polignac number, because 6397497 - 2² = 6397493 is a prime.

It is a Duffinian number.

Its product of digits (285768) is a multiple of the sum of its prime divisors (378).

It is not an unprimeable number, because it can be changed into a prime (6397493) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23472 + ... + 23742.

Almost surely, 2^6397497 is an apocalyptic number.

It is an amenable number.

6397497 is a deficient number, since it is larger than the sum of its proper divisors (3248711).

6397497 is a wasteful number, since it uses less digits than its factorization.

6397497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381 (or 378 counting only the distinct ones).

The product of its digits is 285768, while the sum is 45.

The square root of 6397497 is about 2529.3273809454. The cubic root of 6397497 is about 185.6393462367.

The spelling of 6397497 in words is "six million, three hundred ninety-seven thousand, four hundred ninety-seven".