4053636 has 18 divisors (see below), whose sum is σ = 10246782. Its totient is φ = 1351200.

The previous prime is 4053613. The next prime is 4053641. The reversal of 4053636 is 6363504.

It can be written as a sum of positive squares in only one way, i.e., 3686400 + 367236 = 1920^2 + 606^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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, 56265 + ... + 56336.

Almost surely, 2^4053636 is an apocalyptic number.

It is an amenable number.

4053636 is an abundant number, since it is smaller than the sum of its proper divisors (6193146).

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

4053636 is a wasteful number, since it uses less digits than its factorization.

4053636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112611 (or 112606 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 4053636 is about 2013.3643485470. The cubic root of 4053636 is about 159.4464726718.

The spelling of 4053636 in words is "four million, fifty-three thousand, six hundred thirty-six".