2174238 has 48 divisors (see below), whose sum is σ = 5241600. Its totient is φ = 645840.

The previous prime is 2174203. The next prime is 2174243. The reversal of 2174238 is 8324712.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15573 + ... + 15711.

It is an arithmetic number, because the mean of its divisors is an integer number (109200).

2^2174238 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2174238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2620800).

2174238 is an abundant number, since it is smaller than the sum of its proper divisors (3067362).

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

2174238 is a wasteful number, since it uses less digits than its factorization.

2174238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 234 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 2174238 is about 1474.5297555492. The cubic root of 2174238 is about 129.5494859150.

The spelling of 2174238 in words is "two million, one hundred seventy-four thousand, two hundred thirty-eight".