2100036 has 12 divisors (see below), whose sum is σ = 4900112. Its totient is φ = 700008.

The previous prime is 2100031. The next prime is 2100041. The reversal of 2100036 is 6300012.

It is an interprime number because it is at equal distance from previous prime (2100031) and next prime (2100041).

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

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 175003 = 2100036 / (2 + 1 + 0 + 0 + 0 + 3 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 2099994 and 2100030.

It is not an unprimeable number, because it can be changed into a prime (2100031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87490 + ... + 87513.

2^2100036 is an apocalyptic number.

It is an amenable number.

2100036 is an abundant number, since it is smaller than the sum of its proper divisors (2800076).

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

2100036 is a wasteful number, since it uses less digits than its factorization.

2100036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175010 (or 175008 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 2100036 is about 1449.1500957458. The cubic root of 2100036 is about 128.0586482541.

Adding to 2100036 its reverse (6300012), we get a palindrome (8400048).

The spelling of 2100036 in words is "two million, one hundred thousand, thirty-six".