2086844004 has 72 divisors (see below), whose sum is σ = 6290793600. Its totient is φ = 570316032.

The previous prime is 2086844003. The next prime is 2086844021. The reversal of 2086844004 is 4004486802.

2086844004 is a `hidden beast` number, since 208 + 6 + 8 + 440 + 0 + 4 = 666.

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 2086844004.

It is not an unprimeable number, because it can be changed into a prime (2086844003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 174229 + ... + 185820.

Almost surely, 2^2086844004 is an apocalyptic number.

It is an amenable number.

2086844004 is an abundant number, since it is smaller than the sum of its proper divisors (4203949596).

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

2086844004 is a wasteful number, since it uses less digits than its factorization.

2086844004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360089 (or 360084 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The square root of 2086844004 is about 45681.9877413407. The cubic root of 2086844004 is about 1277.8993874080.

The spelling of 2086844004 in words is "two billion, eighty-six million, eight hundred forty-four thousand, four".