4505636 has 18 divisors (see below), whose sum is σ = 8056482. Its totient is φ = 2204800.

The previous prime is 4505623. The next prime is 4505647. The reversal of 4505636 is 6365054.

It can be written as a sum of positive squares in 3 ways, for example, as 3041536 + 1464100 = 1744^2 + 1210^2 .

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 4505599 and 4505608.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11036 + ... + 11436.

Almost surely, 2^4505636 is an apocalyptic number.

It is an amenable number.

4505636 is a deficient number, since it is larger than the sum of its proper divisors (3550846).

4505636 is a wasteful number, since it uses less digits than its factorization.

4505636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511 (or 456 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 4505636 is about 2122.6483458171. The cubic root of 4505636 is about 165.1652583639.

The spelling of 4505636 in words is "four million, five hundred five thousand, six hundred thirty-six".