6377994 has 64 divisors (see below), whose sum is σ = 16588800. Its totient is φ = 1778544.

The previous prime is 6377993. The next prime is 6378011. The reversal of 6377994 is 4997736.

6377994 is a `hidden beast` number, since 637 + 7 + 9 + 9 + 4 = 666.

It is a Curzon number.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (6377993) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17587 + ... + 17945.

It is an arithmetic number, because the mean of its divisors is an integer number (259200).

Almost surely, 2^6377994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6377994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8294400).

6377994 is an abundant number, since it is smaller than the sum of its proper divisors (10210806).

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

6377994 is a wasteful number, since it uses less digits than its factorization.

6377994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424 (or 418 counting only the distinct ones).

The product of its digits is 285768, while the sum is 45.

The square root of 6377994 is about 2525.4690653421. The cubic root of 6377994 is about 185.4505114725.

The spelling of 6377994 in words is "six million, three hundred seventy-seven thousand, nine hundred ninety-four".