6321404394 has 48 divisors (see below), whose sum is σ = 13807341600. Its totient is φ = 2090134368.

The previous prime is 6321404377. The next prime is 6321404399. The reversal of 6321404394 is 4934041236.

It is a happy number.

6321404394 is a `hidden beast` number, since 6 + 3 + 214 + 0 + 439 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (6321404399) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1163817 + ... + 1169235.

It is an arithmetic number, because the mean of its divisors is an integer number (287652950).

Almost surely, 2^6321404394 is an apocalyptic number.

6321404394 is an abundant number, since it is smaller than the sum of its proper divisors (7485937206).

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

6321404394 is a wasteful number, since it uses less digits than its factorization.

6321404394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5939 (or 5936 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 6321404394 is about 79507.2600081276. The cubic root of 6321404394 is about 1849.0040311316.

The spelling of 6321404394 in words is "six billion, three hundred twenty-one million, four hundred four thousand, three hundred ninety-four".