6244664 has 8 divisors (see below), whose sum is σ = 11708760. Its totient is φ = 3122328.

The previous prime is 6244649. The next prime is 6244691. The reversal of 6244664 is 4664426.

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

It is a self number, because there is not a number n which added to its sum of digits gives 6244664.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 390284 + ... + 390299.

It is an arithmetic number, because the mean of its divisors is an integer number (1463595).

Almost surely, 2^6244664 is an apocalyptic number.

It is an amenable number.

6244664 is a deficient number, since it is larger than the sum of its proper divisors (5464096).

6244664 is a wasteful number, since it uses less digits than its factorization.

6244664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780589 (or 780585 counting only the distinct ones).

The product of its digits is 27648, while the sum is 32.

The square root of 6244664 is about 2498.9325721195. The cubic root of 6244664 is about 184.1491386943.

The spelling of 6244664 in words is "six million, two hundred forty-four thousand, six hundred sixty-four".