4859644 has 12 divisors (see below), whose sum is σ = 8631784. Its totient is φ = 2393424.

The previous prime is 4859629. The next prime is 4859651. The reversal of 4859644 is 4469584.

It is a super-2 number, since 2×4859644² = 47232279613472, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4859597 and 4859606.

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, 8799 + ... + 9334.

Almost surely, 2^4859644 is an apocalyptic number.

It is an amenable number.

4859644 is a deficient number, since it is larger than the sum of its proper divisors (3772140).

4859644 is a wasteful number, since it uses less digits than its factorization.

4859644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18204 (or 18202 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The square root of 4859644 is about 2204.4600245865. The cubic root of 4859644 is about 169.3823491862.

The spelling of 4859644 in words is "four million, eight hundred fifty-nine thousand, six hundred forty-four".