898435841 has 2 divisors, whose sum is σ = 898435842. Its totient is φ = 898435840.

The previous prime is 898435823. The next prime is 898435861. The reversal of 898435841 is 148534898.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 493017616 + 405418225 = 22204^2 + 20135^2 .

It is a cyclic number.

It is not a de Polignac number, because 898435841 - 2⁶ = 898435777 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 898435841.

It is not a weakly prime, because it can be changed into another prime (898435801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449217920 + 449217921.

It is an arithmetic number, because the mean of its divisors is an integer number (449217921).

Almost surely, 2^898435841 is an apocalyptic number.

It is an amenable number.

898435841 is a deficient number, since it is larger than the sum of its proper divisors (1).

898435841 is an equidigital number, since it uses as much as digits as its factorization.

898435841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1105920, while the sum is 50.

The square root of 898435841 is about 29973.9193466587. The cubic root of 898435841 is about 964.9297347426.

The spelling of 898435841 in words is "eight hundred ninety-eight million, four hundred thirty-five thousand, eight hundred forty-one".