6377646 has 32 divisors (see below), whose sum is σ = 14121216. Its totient is φ = 1904000.

The previous prime is 6377641. The next prime is 6377689. The reversal of 6377646 is 6467736.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6377641) 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, 4006 + ... + 5366.

It is an arithmetic number, because the mean of its divisors is an integer number (441288).

Almost surely, 2^6377646 is an apocalyptic number.

6377646 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 6377646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7060608).

6377646 is an abundant number, since it is smaller than the sum of its proper divisors (7743570).

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

6377646 is a wasteful number, since it uses less digits than its factorization.

6377646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1448.

The product of its digits is 127008, while the sum is 39.

The square root of 6377646 is about 2525.4001663103. The cubic root of 6377646 is about 185.4471385232.

The spelling of 6377646 in words is "six million, three hundred seventy-seven thousand, six hundred forty-six".