2173955 has 16 divisors (see below), whose sum is σ = 3006720. Its totient is φ = 1478112.

The previous prime is 2173907. The next prime is 2173957. The reversal of 2173955 is 5593712.

It is a cyclic number.

It is not a de Polignac number, because 2173955 - 2¹² = 2169859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2173957) 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 15 ways as a sum of consecutive naturals, for example, 6092 + ... + 6438.

It is an arithmetic number, because the mean of its divisors is an integer number (187920).

2^2173955 is an apocalyptic number.

2173955 is a deficient number, since it is larger than the sum of its proper divisors (832765).

2173955 is a wasteful number, since it uses less digits than its factorization.

2173955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538.

The product of its digits is 9450, while the sum is 32.

The square root of 2173955 is about 1474.4337896291. The cubic root of 2173955 is about 129.5438649273.

The spelling of 2173955 in words is "two million, one hundred seventy-three thousand, nine hundred fifty-five".