2109036 has 12 divisors (see below), whose sum is σ = 4921112. Its totient is φ = 703008.

The previous prime is 2109013. The next prime is 2109049. The reversal of 2109036 is 6309012.

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

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

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, 87865 + ... + 87888.

2^2109036 is an apocalyptic number.

It is an amenable number.

2109036 is an abundant number, since it is smaller than the sum of its proper divisors (2812076).

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

2109036 is a wasteful number, since it uses less digits than its factorization.

2109036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175760 (or 175758 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 2109036 is about 1452.2520442403. The cubic root of 2109036 is about 128.2413253293.

The spelling of 2109036 in words is "two million, one hundred nine thousand, thirty-six".