6486378 has 32 divisors (see below), whose sum is σ = 13719552. Its totient is φ = 2041200.

The previous prime is 6486377. The next prime is 6486379. The reversal of 6486378 is 8736846.

It is an interprime number because it is at equal distance from previous prime (6486377) and next prime (6486379).

It is not an unprimeable number, because it can be changed into a prime (6486377) by changing a digit.

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, 7593 + ... + 8403.

It is an arithmetic number, because the mean of its divisors is an integer number (428736).

Almost surely, 2^6486378 is an apocalyptic number.

6486378 is an abundant number, since it is smaller than the sum of its proper divisors (7233174).

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

6486378 is a wasteful number, since it uses less digits than its factorization.

6486378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890.

The product of its digits is 193536, while the sum is 42.

The square root of 6486378 is about 2546.8368616776. The cubic root of 6486378 is about 186.4950967476.

The spelling of 6486378 in words is "six million, four hundred eighty-six thousand, three hundred seventy-eight".