6494644 has 12 divisors (see below), whose sum is σ = 12240004. Its totient is φ = 2997504.

The previous prime is 6494641. The next prime is 6494651. The reversal of 6494644 is 4464946.

It can be written as a sum of positive squares in 2 ways, for example, as 3027600 + 3467044 = 1740^2 + 1862^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6494641) 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 in 3 ways as a sum of consecutive naturals, for example, 62397 + ... + 62500.

Almost surely, 2^6494644 is an apocalyptic number.

It is an amenable number.

6494644 is a deficient number, since it is larger than the sum of its proper divisors (5745360).

6494644 is a wasteful number, since it uses less digits than its factorization.

6494644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124914 (or 124912 counting only the distinct ones).

The product of its digits is 82944, while the sum is 37.

The square root of 6494644 is about 2548.4591423054. The cubic root of 6494644 is about 186.5742839352.

The spelling of 6494644 in words is "six million, four hundred ninety-four thousand, six hundred forty-four".