606644 has 12 divisors (see below), whose sum is σ = 1086624. Its totient is φ = 296184.

The previous prime is 606643. The next prime is 606649. The reversal of 606644 is 446606.

It is a hoax number, since the sum of its digits (26) 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 (606643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1592 + ... + 1935.

It is an arithmetic number, because the mean of its divisors is an integer number (90552).

2⁶⁰⁶⁶⁴⁴ is an apocalyptic number.

It is an amenable number.

606644 is a deficient number, since it is larger than the sum of its proper divisors (479980).

606644 is a wasteful number, since it uses less digits than its factorization.

606644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3574 (or 3572 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 606644 is about 778.8735455772. The cubic root of 606644 is about 84.6534447978.

The spelling of 606644 in words is "six hundred six thousand, six hundred forty-four".