6378490 has 32 divisors (see below), whose sum is σ = 12312000. Its totient is φ = 2371968.

The previous prime is 6378487. The next prime is 6378503. The reversal of 6378490 is 948736.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10926 + ... + 11494.

It is an arithmetic number, because the mean of its divisors is an integer number (384750).

Almost surely, 2^6378490 is an apocalyptic number.

6378490 is a deficient number, since it is larger than the sum of its proper divisors (5933510).

6378490 is a wasteful number, since it uses less digits than its factorization.

6378490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 6378490 is about 2525.5672630124. The cubic root of 6378490 is about 185.4553186825.

The spelling of 6378490 in words is "six million, three hundred seventy-eight thousand, four hundred ninety".