6446956 has 12 divisors (see below), whose sum is σ = 11300968. Its totient is φ = 3218112.

The previous prime is 6446939. The next prime is 6446971. The reversal of 6446956 is 6596446.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 15.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2740 + ... + 4516.

Almost surely, 2^6446956 is an apocalyptic number.

It is an amenable number.

6446956 is a deficient number, since it is larger than the sum of its proper divisors (4854012).

6446956 is a wasteful number, since it uses less digits than its factorization.

6446956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2688 (or 2686 counting only the distinct ones).

The product of its digits is 155520, while the sum is 40.

The square root of 6446956 is about 2539.0856622020. The cubic root of 6446956 is about 186.1165108076.

The spelling of 6446956 in words is "six million, four hundred forty-six thousand, nine hundred fifty-six".