4494636 has 24 divisors (see below), whose sum is σ = 11653040. Its totient is φ = 1498176.

The previous prime is 4494629. The next prime is 4494641. The reversal of 4494636 is 6364944.

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 an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 4494636.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20701 + ... + 20916.

Almost surely, 2^4494636 is an apocalyptic number.

It is an amenable number.

4494636 is an abundant number, since it is smaller than the sum of its proper divisors (7158404).

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

4494636 is a wasteful number, since it uses less digits than its factorization.

4494636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41630 (or 41622 counting only the distinct ones).

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

The square root of 4494636 is about 2120.0556596467. The cubic root of 4494636 is about 165.0307380751.

The spelling of 4494636 in words is "four million, four hundred ninety-four thousand, six hundred thirty-six".