6380140 has 48 divisors (see below), whose sum is σ = 14732928. Its totient is φ = 2306304.

The previous prime is 6380111. The next prime is 6380149. The reversal of 6380140 is 410836.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6380149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13549 + ... + 14011.

It is an arithmetic number, because the mean of its divisors is an integer number (306936).

Almost surely, 2^6380140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6380140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7366464).

6380140 is an abundant number, since it is smaller than the sum of its proper divisors (8352788).

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

6380140 is a wasteful number, since it uses less digits than its factorization.

6380140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538 (or 536 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 6380140 is about 2525.8939011764. The cubic root of 6380140 is about 185.4713086160.

Adding to 6380140 its reverse (410836), we get a palindrome (6790976).

The spelling of 6380140 in words is "six million, three hundred eighty thousand, one hundred forty".