6239644 has 12 divisors (see below), whose sum is σ = 11173624. Its totient is φ = 3047184.

The previous prime is 6239627. The next prime is 6239659. The reversal of 6239644 is 4469326.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17967 + ... + 18310.

Almost surely, 2^6239644 is an apocalyptic number.

It is an amenable number.

6239644 is a deficient number, since it is larger than the sum of its proper divisors (4933980).

6239644 is a wasteful number, since it uses less digits than its factorization.

6239644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36324 (or 36322 counting only the distinct ones).

The product of its digits is 31104, while the sum is 34.

The square root of 6239644 is about 2497.9279413146. The cubic root of 6239644 is about 184.0997804743.

The spelling of 6239644 in words is "six million, two hundred thirty-nine thousand, six hundred forty-four".