898446091 has 2 divisors, whose sum is σ = 898446092. Its totient is φ = 898446090.

The previous prime is 898446049. The next prime is 898446149. The reversal of 898446091 is 190644898.

898446091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 898446091 - 2⁹ = 898445579 is a prime.

It is not a weakly prime, because it can be changed into another prime (898446001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449223045 + 449223046.

It is an arithmetic number, because the mean of its divisors is an integer number (449223046).

Almost surely, 2^898446091 is an apocalyptic number.

898446091 is a deficient number, since it is larger than the sum of its proper divisors (1).

898446091 is an equidigital number, since it uses as much as digits as its factorization.

898446091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 497664, while the sum is 49.

The square root of 898446091 is about 29974.0903281484. The cubic root of 898446091 is about 964.9334042653.

The spelling of 898446091 in words is "eight hundred ninety-eight million, four hundred forty-six thousand, ninety-one".