2085821190 has 48 divisors (see below), whose sum is σ = 5512053456. Its totient is φ = 547099200.

The previous prime is 2085821161. The next prime is 2085821191. The reversal of 2085821190 is 911285802.

It is a super-2 number, since 2×2085821190² = 8701300073306032200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2085821191) 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, 184476 + ... + 195455.

It is an arithmetic number, because the mean of its divisors is an integer number (114834447).

Almost surely, 2^2085821190 is an apocalyptic number.

2085821190 is an abundant number, since it is smaller than the sum of its proper divisors (3426232266).

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

2085821190 is a wasteful number, since it uses less digits than its factorization.

2085821190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380005 (or 380002 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 2085821190 is about 45670.7914317236. The cubic root of 2085821190 is about 1277.6905765626.

The spelling of 2085821190 in words is "two billion, eighty-five million, eight hundred twenty-one thousand, one hundred ninety".