2175238 has 8 divisors (see below), whose sum is σ = 3513888. Its totient is φ = 1003944.

The previous prime is 2175233. The next prime is 2175247. The reversal of 2175238 is 8325712.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2175233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41806 + ... + 41857.

It is an arithmetic number, because the mean of its divisors is an integer number (439236).

2^2175238 is an apocalyptic number.

2175238 is a deficient number, since it is larger than the sum of its proper divisors (1338650).

2175238 is a wasteful number, since it uses less digits than its factorization.

2175238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83678.

The product of its digits is 3360, while the sum is 28.

The square root of 2175238 is about 1474.8688077249. The cubic root of 2175238 is about 129.5693441565.

The spelling of 2175238 in words is "two million, one hundred seventy-five thousand, two hundred thirty-eight".