2090868 has 36 divisors (see below), whose sum is σ = 5287968. Its totient is φ = 642720.

The previous prime is 2090863. The next prime is 2090873. The reversal of 2090868 is 8680902.

It is an interprime number because it is at equal distance from previous prime (2090863) and next prime (2090873).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2090863) 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, 1513 + ... + 2543.

It is an arithmetic number, because the mean of its divisors is an integer number (146888).

2^2090868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2090868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2643984).

2090868 is an abundant number, since it is smaller than the sum of its proper divisors (3197100).

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

2090868 is a wasteful number, since it uses less digits than its factorization.

2090868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064 (or 1049 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 2090868 is about 1445.9834023944. The cubic root of 2090868 is about 127.8720237829.

The spelling of 2090868 in words is "two million, ninety thousand, eight hundred sixty-eight".