898648566 has 16 divisors (see below), whose sum is σ = 1797695424. Its totient is φ = 299483144.

The previous prime is 898648561. The next prime is 898648573. The reversal of 898648566 is 665846898.

898648566 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (898648561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18421 + ... + 46223.

It is an arithmetic number, because the mean of its divisors is an integer number (112355964).

Almost surely, 2^898648566 is an apocalyptic number.

898648566 is an abundant number, since it is smaller than the sum of its proper divisors (899046858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

898648566 is a wasteful number, since it uses less digits than its factorization.

898648566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33195.

The product of its digits is 19906560, while the sum is 60.

The square root of 898648566 is about 29977.4676382112. The cubic root of 898648566 is about 965.0058850438.

The spelling of 898648566 in words is "eight hundred ninety-eight million, six hundred forty-eight thousand, five hundred sixty-six".