6397470 has 48 divisors (see below), whose sum is σ = 17177472. Its totient is φ = 1650240.

The previous prime is 6397463. The next prime is 6397493. The reversal of 6397470 is 747936.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1644 + ... + 3936.

It is an arithmetic number, because the mean of its divisors is an integer number (357864).

Almost surely, 2^6397470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6397470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8588736).

6397470 is an abundant number, since it is smaller than the sum of its proper divisors (10780002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6397470 is a wasteful number, since it uses less digits than its factorization.

6397470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2337 (or 2334 counting only the distinct ones).

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

The square root of 6397470 is about 2529.3220435524. The cubic root of 6397470 is about 185.6390850789.

The spelling of 6397470 in words is "six million, three hundred ninety-seven thousand, four hundred seventy".