2053636 has 24 divisors (see below), whose sum is σ = 3930584. Its totient is φ = 933120.

The previous prime is 2053631. The next prime is 2053643. The reversal of 2053636 is 6363502.

It can be written as a sum of positive squares in 4 ways, for example, as 65536 + 1988100 = 256^2 + 1410^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2053636.

It is not an unprimeable number, because it can be changed into a prime (2053631) 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, 3526 + ... + 4066.

2^2053636 is an apocalyptic number.

2053636 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2053636 is a deficient number, since it is larger than the sum of its proper divisors (1876948).

2053636 is a wasteful number, since it uses less digits than its factorization.

2053636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631 (or 629 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 2053636 is about 1433.0512900800. The cubic root of 2053636 is about 127.1084695479.

The spelling of 2053636 in words is "two million, fifty-three thousand, six hundred thirty-six".