290463841 has 2 divisors, whose sum is σ = 290463842. Its totient is φ = 290463840.

The previous prime is 290463809. The next prime is 290463863. The reversal of 290463841 is 148364092.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 171741025 + 118722816 = 13105^2 + 10896^2 .

It is a cyclic number.

It is not a de Polignac number, because 290463841 - 2⁵ = 290463809 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 290463841.

It is not a weakly prime, because it can be changed into another prime (290467841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145231920 + 145231921.

It is an arithmetic number, because the mean of its divisors is an integer number (145231921).

Almost surely, 2^290463841 is an apocalyptic number.

It is an amenable number.

290463841 is a deficient number, since it is larger than the sum of its proper divisors (1).

290463841 is an equidigital number, since it uses as much as digits as its factorization.

290463841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 290463841 is about 17042.9997652995. Note that the first 3 decimals coincide. The cubic root of 290463841 is about 662.2633048359.

The spelling of 290463841 in words is "two hundred ninety million, four hundred sixty-three thousand, eight hundred forty-one".