6278464 has 14 divisors (see below), whose sum is σ = 12458954. Its totient is φ = 3139200.

The previous prime is 6278449. The next prime is 6278479. The reversal of 6278464 is 4648726.

6278464 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6278449) and next prime (6278479).

It can be written as a sum of positive squares in only one way, i.e., 3968064 + 2310400 = 1992^2 + 1520^2 .

It is a super-2 number, since 2×6278464² = 78838220398592, 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, 48987 + ... + 49114.

Almost surely, 2^6278464 is an apocalyptic number.

6278464 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6278464 is a deficient number, since it is larger than the sum of its proper divisors (6180490).

6278464 is an equidigital number, since it uses as much as digits as its factorization.

6278464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98113 (or 98103 counting only the distinct ones).

The product of its digits is 64512, while the sum is 37.

The square root of 6278464 is about 2505.6863331231. The cubic root of 6278464 is about 184.4807842248.

The spelling of 6278464 in words is "six million, two hundred seventy-eight thousand, four hundred sixty-four".