6466456 has 8 divisors (see below), whose sum is σ = 12124620. Its totient is φ = 3233224.

The previous prime is 6466433. The next prime is 6466457. The reversal of 6466456 is 6546646.

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6466457) by changing a digit.

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 as a sum of consecutive naturals, namely, 404146 + ... + 404161.

Almost surely, 2^6466456 is an apocalyptic number.

It is an amenable number.

6466456 is a deficient number, since it is larger than the sum of its proper divisors (5658164).

6466456 is a wasteful number, since it uses less digits than its factorization.

6466456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808313 (or 808309 counting only the distinct ones).

The product of its digits is 103680, while the sum is 37.

The square root of 6466456 is about 2542.9227278862. The cubic root of 6466456 is about 186.3039697657.

The spelling of 6466456 in words is "six million, four hundred sixty-six thousand, four hundred fifty-six".