6394004936 has 24 divisors (see below), whose sum is σ = 13177729110. Its totient is φ = 2906365440.

The previous prime is 6394004917. The next prime is 6394004977.

6394004936 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 3732476836 + 2661528100 = 61094^2 + 51590^2 .

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3301721 + ... + 3303656.

Almost surely, 2^6394004936 is an apocalyptic number.

It is an amenable number.

6394004936 is an abundant number, since it is smaller than the sum of its proper divisors (6783724174).

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

6394004936 is a wasteful number, since it uses less digits than its factorization.

6394004936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6605405 (or 6605390 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 44.

The square root of 6394004936 is about 79962.5220712804. The cubic root of 6394004936 is about 1856.0556310428.

The spelling of 6394004936 in words is "six billion, three hundred ninety-four million, four thousand, nine hundred thirty-six".