2086890800 has 60 divisors (see below), whose sum is σ = 5023085496. Its totient is φ = 833203200.

The previous prime is 2086890739. The next prime is 2086890833. The reversal of 2086890800 is 80986802.

It is a happy number.

It is a super-2 number, since 2×2086890800² = 8710226422249280000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 223832 + ... + 232968.

Almost surely, 2^2086890800 is an apocalyptic number.

2086890800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2086890800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2511542748).

2086890800 is an abundant number, since it is smaller than the sum of its proper divisors (2936194696).

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

2086890800 is a wasteful number, since it uses less digits than its factorization.

2086890800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9726 (or 9715 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 2086890800 is about 45682.4999315931. The cubic root of 2086890800 is about 1277.9089393331.

The spelling of 2086890800 in words is "two billion, eighty-six million, eight hundred ninety thousand, eight hundred".