6413328 has 30 divisors (see below), whose sum is σ = 17948814. Its totient is φ = 2137728.

The previous prime is 6413287. The next prime is 6413333. The reversal of 6413328 is 8233146.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6411024 + 2304 = 2532^2 + 48^2 .

It is a super-2 number, since 2×6413328² = 82261552071168, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22125 + ... + 22412.

Almost surely, 2^6413328 is an apocalyptic number.

It is an amenable number.

6413328 is an abundant number, since it is smaller than the sum of its proper divisors (11535486).

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

6413328 is a wasteful number, since it uses less digits than its factorization.

6413328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44551 (or 44542 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 6413328 is about 2532.4549354332. The cubic root of 6413328 is about 185.7923454326.

It can be divided in two parts, 641 and 3328, that added together give a square (3969 = 63²).

The spelling of 6413328 in words is "six million, four hundred thirteen thousand, three hundred twenty-eight".