6433344 has 140 divisors (see below), whose sum is σ = 20468844. Its totient is φ = 1990656.

The previous prime is 6433333. The next prime is 6433369. The reversal of 6433344 is 4433346.

6433344 = 64³ + 65³ + ... + 80³.

It can be written as a sum of positive squares in 2 ways, for example, as 4359744 + 2073600 = 2088^2 + 1440^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

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

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 88092 + ... + 88164.

Almost surely, 2^6433344 is an apocalyptic number.

6433344 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6433344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10234422).

6433344 is an abundant number, since it is smaller than the sum of its proper divisors (14035500).

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

6433344 is a wasteful number, since it uses less digits than its factorization.

6433344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114 (or 95 counting only the distinct ones).

The product of its digits is 10368, while the sum is 27.

The square root of 6433344 is about 2536.4037533484. The cubic root of 6433344 is about 185.9854307007.

The spelling of 6433344 in words is "six million, four hundred thirty-three thousand, three hundred forty-four".