2089836 has 36 divisors (see below), whose sum is σ = 6038032. Its totient is φ = 597024.

The previous prime is 2089831. The next prime is 2089847. The reversal of 2089836 is 6389802.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2089836.

It is not an unprimeable number, because it can be changed into a prime (2089831) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3895 + ... + 4398.

2^2089836 is an apocalyptic number.

It is an amenable number.

2089836 is an abundant number, since it is smaller than the sum of its proper divisors (3948196).

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

2089836 is a wasteful number, since it uses less digits than its factorization.

2089836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8310 (or 8305 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 2089836 is about 1445.6265077813. The cubic root of 2089836 is about 127.8509821795.

The spelling of 2089836 in words is "two million, eighty-nine thousand, eight hundred thirty-six".