2168850 has 48 divisors (see below), whose sum is σ = 5669280. Its totient is φ = 547200.

The previous prime is 2168827. The next prime is 2168851. The reversal of 2168850 is 588612.

2168850 = 130² + 131² + ... + 205².

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2168851) 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, 2470 + ... + 3230.

It is an arithmetic number, because the mean of its divisors is an integer number (118110).

2^2168850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2168850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2834640).

2168850 is an abundant number, since it is smaller than the sum of its proper divisors (3500430).

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

2168850 is a wasteful number, since it uses less digits than its factorization.

2168850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795 (or 790 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 2168850 is about 1472.7015991028. The cubic root of 2168850 is about 129.4423847897.

It can be divided in two parts, 21 and 68850, that multiplied together give a triangular number (1445850 = T₁₇₀₀).

The spelling of 2168850 in words is "two million, one hundred sixty-eight thousand, eight hundred fifty".