6446212 has 6 divisors (see below), whose sum is σ = 11280878. Its totient is φ = 3223104.

The previous prime is 6446203. The next prime is 6446221. The reversal of 6446212 is 2126446.

It is an interprime number because it is at equal distance from previous prime (6446203) and next prime (6446221).

It can be written as a sum of positive squares in only one way, i.e., 6380676 + 65536 = 2526^2 + 256^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 805773 + ... + 805780.

Almost surely, 2^6446212 is an apocalyptic number.

It is an amenable number.

6446212 is a deficient number, since it is larger than the sum of its proper divisors (4834666).

6446212 is a wasteful number, since it uses less digits than its factorization.

6446212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1611557 (or 1611555 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 6446212 is about 2538.9391485422. The cubic root of 6446212 is about 186.1093510456.

The spelling of 6446212 in words is "six million, four hundred forty-six thousand, two hundred twelve".