6378845 has 8 divisors (see below), whose sum is σ = 8350560. Its totient is φ = 4639120.

The previous prime is 6378787. The next prime is 6378847. The reversal of 6378845 is 5488736.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6378845 - 2⁶ = 6378781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6378847) 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, 57935 + ... + 58044.

It is an arithmetic number, because the mean of its divisors is an integer number (1043820).

Almost surely, 2^6378845 is an apocalyptic number.

It is an amenable number.

6378845 is a deficient number, since it is larger than the sum of its proper divisors (1971715).

6378845 is a wasteful number, since it uses less digits than its factorization.

6378845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115995.

The product of its digits is 161280, while the sum is 41.

The square root of 6378845 is about 2525.6375432750. The cubic root of 6378845 is about 185.4587591737.

The spelling of 6378845 in words is "six million, three hundred seventy-eight thousand, eight hundred forty-five".