290889413 has 2 divisors, whose sum is σ = 290889414. Its totient is φ = 290889412.

The previous prime is 290889359. The next prime is 290889437. The reversal of 290889413 is 314988092.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 180176929 + 110712484 = 13423^2 + 10522^2 .

It is a cyclic number.

It is not a de Polignac number, because 290889413 - 2²² = 286695109 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (290889463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145444706 + 145444707.

It is an arithmetic number, because the mean of its divisors is an integer number (145444707).

Almost surely, 2^290889413 is an apocalyptic number.

It is an amenable number.

290889413 is a deficient number, since it is larger than the sum of its proper divisors (1).

290889413 is an equidigital number, since it uses as much as digits as its factorization.

290889413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 290889413 is about 17055.4804388501. The cubic root of 290889413 is about 662.5865845301.

The spelling of 290889413 in words is "two hundred ninety million, eight hundred eighty-nine thousand, four hundred thirteen".