6380978 has 16 divisors (see below), whose sum is σ = 9987840. Its totient is φ = 3054000.

The previous prime is 6380977. The next prime is 6380989. The reversal of 6380978 is 8790836.

It is not an unprimeable number, because it can be changed into a prime (6380971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5753 + ... + 6771.

It is an arithmetic number, because the mean of its divisors is an integer number (624240).

Almost surely, 2^6380978 is an apocalyptic number.

6380978 is a deficient number, since it is larger than the sum of its proper divisors (3606862).

6380978 is a wasteful number, since it uses less digits than its factorization.

6380978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 6380978 is about 2526.0597775983. The cubic root of 6380978 is about 185.4794285085.

The spelling of 6380978 in words is "six million, three hundred eighty thousand, nine hundred seventy-eight".