6478397 has 8 divisors (see below), whose sum is σ = 6758400. Its totient is φ = 6202224.

The previous prime is 6478379. The next prime is 6478421. The reversal of 6478397 is 7938746.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6478397 - 2¹⁸ = 6216253 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 (6474397) 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 7 ways as a sum of consecutive naturals, for example, 2804 + ... + 4562.

It is an arithmetic number, because the mean of its divisors is an integer number (844800).

Almost surely, 2^6478397 is an apocalyptic number.

It is an amenable number.

6478397 is a deficient number, since it is larger than the sum of its proper divisors (280003).

6478397 is a wasteful number, since it uses less digits than its factorization.

6478397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1915.

The product of its digits is 254016, while the sum is 44.

The square root of 6478397 is about 2545.2695338608. The cubic root of 6478397 is about 186.4185759607.

The spelling of 6478397 in words is "six million, four hundred seventy-eight thousand, three hundred ninety-seven".