6397748 has 24 divisors (see below), whose sum is σ = 13238400. Its totient is φ = 2647008.

The previous prime is 6397733. The next prime is 6397751. The reversal of 6397748 is 8477936.

It is a d-powerful number, because it can be written as 6³ + 3¹³ + 9⁷ + 7⁴ + 7⁵ + 4⁵ + 8 .

It is a junction number, because it is equal to n+sod(n) for n = 6397699 and 6397708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3128 + ... + 4751.

It is an arithmetic number, because the mean of its divisors is an integer number (551600).

Almost surely, 2^6397748 is an apocalyptic number.

It is an amenable number.

6397748 is an abundant number, since it is smaller than the sum of its proper divisors (6840652).

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

6397748 is a wasteful number, since it uses less digits than its factorization.

6397748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7919 (or 7917 counting only the distinct ones).

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

The square root of 6397748 is about 2529.3769983931. The cubic root of 6397748 is about 185.6417740022.

The spelling of 6397748 in words is "six million, three hundred ninety-seven thousand, seven hundred forty-eight".