6444996 has 24 divisors (see below), whose sum is σ = 15160320. Its totient is φ = 2130912.

The previous prime is 6444979. The next prime is 6445003. The reversal of 6444996 is 6994446.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 591 + ... + 3638.

It is an arithmetic number, because the mean of its divisors is an integer number (631680).

Almost surely, 2^6444996 is an apocalyptic number.

It is an amenable number.

6444996 is an abundant number, since it is smaller than the sum of its proper divisors (8715324).

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

6444996 is a wasteful number, since it uses less digits than its factorization.

6444996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4363 (or 4361 counting only the distinct ones).

The product of its digits is 186624, while the sum is 42.

The square root of 6444996 is about 2538.6996671525. The cubic root of 6444996 is about 186.0976478830.

The spelling of 6444996 in words is "six million, four hundred forty-four thousand, nine hundred ninety-six".