6464884 has 6 divisors (see below), whose sum is σ = 11313554. Its totient is φ = 3232440.

The previous prime is 6464881. The next prime is 6464891. The reversal of 6464884 is 4884646.

It can be written as a sum of positive squares in only one way, i.e., 5654884 + 810000 = 2378^2 + 900^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6464881) 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, 808107 + ... + 808114.

Almost surely, 2^6464884 is an apocalyptic number.

It is an amenable number.

6464884 is a deficient number, since it is larger than the sum of its proper divisors (4848670).

6464884 is a wasteful number, since it uses less digits than its factorization.

6464884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616225 (or 1616223 counting only the distinct ones).

The product of its digits is 147456, while the sum is 40.

The square root of 6464884 is about 2542.6136159472. The cubic root of 6464884 is about 186.2888716668.

The spelling of 6464884 in words is "six million, four hundred sixty-four thousand, eight hundred eighty-four".