296161 has 4 divisors (see below), whose sum is σ = 300292. Its totient is φ = 292032.

The previous prime is 296159. The next prime is 296183. The reversal of 296161 is 161692.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 160000 + 136161 = 400^2 + 369^2 .

It is a cyclic number.

It is not a de Polignac number, because 296161 - 2¹ = 296159 is a prime.

It is a super-2 number, since 2×296161² = 175422675842, which contains 22 as substring.

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (296561) 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, 1956 + ... + 2101.

It is an arithmetic number, because the mean of its divisors is an integer number (75073).

2²⁹⁶¹⁶¹ is an apocalyptic number.

It is an amenable number.

296161 is a deficient number, since it is larger than the sum of its proper divisors (4131).

296161 is an equidigital number, since it uses as much as digits as its factorization.

296161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4130.

The product of its digits is 648, while the sum is 25.

The square root of 296161 is about 544.2067621778. The cubic root of 296161 is about 66.6565178996.

The spelling of 296161 in words is "two hundred ninety-six thousand, one hundred sixty-one".