2171296 has 12 divisors (see below), whose sum is σ = 4274802. Its totient is φ = 1085632.

The previous prime is 2171293. The next prime is 2171311. The reversal of 2171296 is 6921712.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1587600 + 583696 = 1260^2 + 764^2 .

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (2171293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33895 + ... + 33958.

2^2171296 is an apocalyptic number.

It is an amenable number.

2171296 is a deficient number, since it is larger than the sum of its proper divisors (2103506).

2171296 is an equidigital number, since it uses as much as digits as its factorization.

2171296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67863 (or 67855 counting only the distinct ones).

The product of its digits is 1512, while the sum is 28.

The square root of 2171296 is about 1473.5318116688. The cubic root of 2171296 is about 129.4910276377.

It can be divided in two parts, 21 and 71296, that added together give a palindrome (71317).

The spelling of 2171296 in words is "two million, one hundred seventy-one thousand, two hundred ninety-six".