6378496 has 22 divisors (see below), whose sum is σ = 12752810. Its totient is φ = 3188736.

The previous prime is 6378487. The next prime is 6378503. The reversal of 6378496 is 6948736.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5456896 + 921600 = 2336^2 + 960^2 .

It is a super-2 number, since 2×6378496² = 81370422444032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2091 + ... + 4138.

Almost surely, 2^6378496 is an apocalyptic number.

It is an amenable number.

6378496 is a deficient number, since it is larger than the sum of its proper divisors (6374314).

6378496 is an equidigital number, since it uses as much as digits as its factorization.

6378496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6249 (or 6231 counting only the distinct ones).

The product of its digits is 217728, while the sum is 43.

The square root of 6378496 is about 2525.5684508641. The cubic root of 6378496 is about 185.4553768327.

The spelling of 6378496 in words is "six million, three hundred seventy-eight thousand, four hundred ninety-six".