4636944 has 60 divisors (see below), whose sum is σ = 13980876. Its totient is φ = 1426176.

The previous prime is 4636943. The next prime is 4636963. The reversal of 4636944 is 4496364.

It can be written as a sum of positive squares in 2 ways, for example, as 1440000 + 3196944 = 1200^2 + 1788^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 4636899 and 4636908.

It is not an unprimeable number, because it can be changed into a prime (4636943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 634 + ... + 3110.

Almost surely, 2^4636944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4636944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6990438).

4636944 is an abundant number, since it is smaller than the sum of its proper divisors (9343932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4636944 is a wasteful number, since it uses less digits than its factorization.

4636944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2504 (or 2495 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 4636944 is about 2153.3564498243. The cubic root of 4636944 is about 166.7543929276.

The spelling of 4636944 in words is "four million, six hundred thirty-six thousand, nine hundred forty-four".