898341491 has 2 divisors, whose sum is σ = 898341492. Its totient is φ = 898341490.

The previous prime is 898341443. The next prime is 898341533. The reversal of 898341491 is 194143898.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 898341491 - 2¹⁴ = 898325107 is a prime.

It is not a weakly prime, because it can be changed into another prime (898341791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449170745 + 449170746.

It is an arithmetic number, because the mean of its divisors is an integer number (449170746).

Almost surely, 2^898341491 is an apocalyptic number.

898341491 is a deficient number, since it is larger than the sum of its proper divisors (1).

898341491 is an equidigital number, since it uses as much as digits as its factorization.

898341491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 47.

The square root of 898341491 is about 29972.3454370858. The cubic root of 898341491 is about 964.8959559227.

The spelling of 898341491 in words is "eight hundred ninety-eight million, three hundred forty-one thousand, four hundred ninety-one".