6388404798 has 32 divisors (see below), whose sum is σ = 12821990400. Its totient is φ = 2121952896.

The previous prime is 6388404787. The next prime is 6388404821. The reversal of 6388404798 is 8974048836.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2898765 + ... + 2900967.

It is an arithmetic number, because the mean of its divisors is an integer number (400687200).

Almost surely, 2^6388404798 is an apocalyptic number.

6388404798 is an abundant number, since it is smaller than the sum of its proper divisors (6433585602).

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

6388404798 is a wasteful number, since it uses less digits than its factorization.

6388404798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3696.

The product of its (nonzero) digits is 9289728, while the sum is 57.

The square root of 6388404798 is about 79927.4971333395. The cubic root of 6388404798 is about 1855.5136022831.

The spelling of 6388404798 in words is "six billion, three hundred eighty-eight million, four hundred four thousand, seven hundred ninety-eight".