6442336 has 24 divisors (see below), whose sum is σ = 12806640. Its totient is φ = 3189888.

The previous prime is 6442307. The next prime is 6442339. The reversal of 6442336 is 6332446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6442339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2565 + ... + 4411.

It is an arithmetic number, because the mean of its divisors is an integer number (533610).

Almost surely, 2^6442336 is an apocalyptic number.

It is an amenable number.

6442336 is a deficient number, since it is larger than the sum of its proper divisors (6364304).

6442336 is a wasteful number, since it uses less digits than its factorization.

6442336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1966 (or 1958 counting only the distinct ones).

The product of its digits is 10368, while the sum is 28.

The square root of 6442336 is about 2538.1757228372. The cubic root of 6442336 is about 186.0720420817.

The spelling of 6442336 in words is "six million, four hundred forty-two thousand, three hundred thirty-six".