2171298 has 16 divisors (see below), whose sum is σ = 4386816. Its totient is φ = 716400.

The previous prime is 2171293. The next prime is 2171311. The reversal of 2171298 is 8921712.

It is not an unprimeable number, because it can be changed into a prime (2171293) 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 7 ways as a sum of consecutive naturals, for example, 1186 + ... + 2397.

It is an arithmetic number, because the mean of its divisors is an integer number (274176).

2^2171298 is an apocalyptic number.

2171298 is an abundant number, since it is smaller than the sum of its proper divisors (2215518).

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

2171298 is a wasteful number, since it uses less digits than its factorization.

2171298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3689.

The product of its digits is 2016, while the sum is 30.

The square root of 2171298 is about 1473.5324903103. The cubic root of 2171298 is about 129.4910673962.

The spelling of 2171298 in words is "two million, one hundred seventy-one thousand, two hundred ninety-eight".