2115636 has 12 divisors (see below), whose sum is σ = 4936512. Its totient is φ = 705208.

The previous prime is 2115629. The next prime is 2115653. The reversal of 2115636 is 6365112.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88140 + ... + 88163.

It is an arithmetic number, because the mean of its divisors is an integer number (411376).

2^2115636 is an apocalyptic number.

It is an amenable number.

2115636 is an abundant number, since it is smaller than the sum of its proper divisors (2820876).

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

2115636 is a wasteful number, since it uses less digits than its factorization.

2115636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176310 (or 176308 counting only the distinct ones).

The product of its digits is 1080, while the sum is 24.

The square root of 2115636 is about 1454.5226020932. The cubic root of 2115636 is about 128.3749584806.

The spelling of 2115636 in words is "two million, one hundred fifteen thousand, six hundred thirty-six".