4644436 has 24 divisors (see below), whose sum is σ = 8930880. Its totient is φ = 2103552.

The previous prime is 4644433. The next prime is 4644463. The reversal of 4644436 is 6344464.

It is a junction number, because it is equal to n+sod(n) for n = 4644398 and 4644407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4644433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420 + ... + 3076.

It is an arithmetic number, because the mean of its divisors is an integer number (372120).

Almost surely, 2^4644436 is an apocalyptic number.

4644436 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

4644436 is a deficient number, since it is larger than the sum of its proper divisors (4286444).

4644436 is a wasteful number, since it uses less digits than its factorization.

4644436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2703 (or 2701 counting only the distinct ones).

The product of its digits is 27648, while the sum is 31.

The square root of 4644436 is about 2155.0953575190. The cubic root of 4644436 is about 166.8441540334.

It can be divided in two parts, 464 and 4436, that added together give a square (4900 = 70²).

The spelling of 4644436 in words is "four million, six hundred forty-four thousand, four hundred thirty-six".