6378955 has 8 divisors (see below), whose sum is σ = 8350704. Its totient is φ = 4639200.

The previous prime is 6378947. The next prime is 6378973. The reversal of 6378955 is 5598736.

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

It is not a de Polignac number, because 6378955 - 2³ = 6378947 is a prime.

It is a d-powerful number, because it can be written as 6 + 3¹³ + 7³ + 8² + 9⁷ + 5⁴ + 5⁴ .

It is a Duffinian number.

6378955 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57936 + ... + 58045.

It is an arithmetic number, because the mean of its divisors is an integer number (1043838).

Almost surely, 2^6378955 is an apocalyptic number.

6378955 is a deficient number, since it is larger than the sum of its proper divisors (1971749).

6378955 is a wasteful number, since it uses less digits than its factorization.

6378955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115997.

The product of its digits is 226800, while the sum is 43.

The square root of 6378955 is about 2525.6593198609. The cubic root of 6378955 is about 185.4598252155.

The spelling of 6378955 in words is "six million, three hundred seventy-eight thousand, nine hundred fifty-five".