6397407 has 16 divisors (see below), whose sum is σ = 9520480. Its totient is φ = 4245696.

The previous prime is 6397399. The next prime is 6397421. The reversal of 6397407 is 7047936.

It is not a de Polignac number, because 6397407 - 2³ = 6397399 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 (6397007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8073 + ... + 8829.

It is an arithmetic number, because the mean of its divisors is an integer number (595030).

Almost surely, 2^6397407 is an apocalyptic number.

6397407 is a deficient number, since it is larger than the sum of its proper divisors (3123073).

6397407 is a wasteful number, since it uses less digits than its factorization.

6397407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079 (or 1073 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 6397407 is about 2529.3095895916. The cubic root of 6397407 is about 185.6384757077.

The spelling of 6397407 in words is "six million, three hundred ninety-seven thousand, four hundred seven".