2173938 has 32 divisors (see below), whose sum is σ = 4790016. Its totient is φ = 653568.

The previous prime is 2173907. The next prime is 2173957. The reversal of 2173938 is 8393712.

2173938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2173899 and 2173908.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3370 + ... + 3962.

It is an arithmetic number, because the mean of its divisors is an integer number (149688).

2^2173938 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2173938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2395008).

2173938 is an abundant number, since it is smaller than the sum of its proper divisors (2616078).

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

2173938 is a wasteful number, since it uses less digits than its factorization.

2173938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658.

The product of its digits is 9072, while the sum is 33.

The square root of 2173938 is about 1474.4280246930. The cubic root of 2173938 is about 129.5435272552.

The spelling of 2173938 in words is "two million, one hundred seventy-three thousand, nine hundred thirty-eight".