290896169 has 2 divisors, whose sum is σ = 290896170. Its totient is φ = 290896168.

The previous prime is 290896153. The next prime is 290896201. The reversal of 290896169 is 961698092.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 269616400 + 21279769 = 16420^2 + 4613^2 .

It is a cyclic number.

It is not a de Polignac number, because 290896169 - 2⁴ = 290896153 is a prime.

It is a super-2 number, since 2×290896169² = 169241162277753122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (290896139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145448084 + 145448085.

It is an arithmetic number, because the mean of its divisors is an integer number (145448085).

Almost surely, 2^290896169 is an apocalyptic number.

It is an amenable number.

290896169 is a deficient number, since it is larger than the sum of its proper divisors (1).

290896169 is an equidigital number, since it uses as much as digits as its factorization.

290896169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 419904, while the sum is 50.

The square root of 290896169 is about 17055.6784972044. The cubic root of 290896169 is about 662.5917140858.

The spelling of 290896169 in words is "two hundred ninety million, eight hundred ninety-six thousand, one hundred sixty-nine".