4644626 has 24 divisors (see below), whose sum is σ = 8412480. Its totient is φ = 1883736.

The previous prime is 4644623. The next prime is 4644631. The reversal of 4644626 is 6264464.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4644592 and 4644601.

It is not an unprimeable number, because it can be changed into a prime (4644623) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4595 + ... + 5513.

It is an arithmetic number, because the mean of its divisors is an integer number (350520).

Almost surely, 2^4644626 is an apocalyptic number.

4644626 is a deficient number, since it is larger than the sum of its proper divisors (3767854).

4644626 is a wasteful number, since it uses less digits than its factorization.

4644626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966 (or 947 counting only the distinct ones).

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

The square root of 4644626 is about 2155.1394386443. The cubic root of 4644626 is about 166.8464291541.

The spelling of 4644626 in words is "four million, six hundred forty-four thousand, six hundred twenty-six".