2185974 has 32 divisors (see below), whose sum is σ = 5552640. Its totient is φ = 624456.

The previous prime is 2185973. The next prime is 2185987. The reversal of 2185974 is 4795812.

It is a d-powerful number, because it can be written as 2⁵ + 1 + 8⁷ + 5⁷ + 9⁴ + 7 + 4⁶ .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2185973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2514 + ... + 3269.

It is an arithmetic number, because the mean of its divisors is an integer number (173520).

2^2185974 is an apocalyptic number.

2185974 is an abundant number, since it is smaller than the sum of its proper divisors (3366666).

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

2185974 is a wasteful number, since it uses less digits than its factorization.

2185974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5801 (or 5795 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 2185974 is about 1478.5039736166. The cubic root of 2185974 is about 129.7821598253.

The spelling of 2185974 in words is "two million, one hundred eighty-five thousand, nine hundred seventy-four".