6396909828 has 48 divisors (see below), whose sum is σ = 15221231424. Its totient is φ = 2090557440.

The previous prime is 6396909733. The next prime is 6396909829. The reversal of 6396909828 is 8289096936.

It is not an unprimeable number, because it can be changed into a prime (6396909829) 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, 98868 + ... + 150228.

It is an arithmetic number, because the mean of its divisors is an integer number (317108988).

Almost surely, 2^6396909828 is an apocalyptic number.

It is an amenable number.

6396909828 is an abundant number, since it is smaller than the sum of its proper divisors (8824321596).

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

6396909828 is a wasteful number, since it uses less digits than its factorization.

6396909828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51572 (or 51570 counting only the distinct ones).

The product of its (nonzero) digits is 10077696, while the sum is 60.

The square root of 6396909828 is about 79980.6840930984. The cubic root of 6396909828 is about 1856.3366664248.

The spelling of 6396909828 in words is "six billion, three hundred ninety-six million, nine hundred nine thousand, eight hundred twenty-eight".