6396884 has 12 divisors (see below), whose sum is σ = 12055764. Its totient is φ = 2952384.

The previous prime is 6396877. The next prime is 6396911. The reversal of 6396884 is 4886936.

It can be written as a sum of positive squares in 2 ways, for example, as 2316484 + 4080400 = 1522^2 + 2020^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61457 + ... + 61560.

It is an arithmetic number, because the mean of its divisors is an integer number (1004647).

Almost surely, 2^6396884 is an apocalyptic number.

It is an amenable number.

6396884 is a deficient number, since it is larger than the sum of its proper divisors (5658880).

6396884 is a wasteful number, since it uses less digits than its factorization.

6396884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123034 (or 123032 counting only the distinct ones).

The product of its digits is 248832, while the sum is 44.

The square root of 6396884 is about 2529.2061995812. The cubic root of 6396884 is about 185.6334168056.

The spelling of 6396884 in words is "six million, three hundred ninety-six thousand, eight hundred eighty-four".