898867321 has 4 divisors (see below), whose sum is σ = 980582544. Its totient is φ = 817152100.

The previous prime is 898867273. The next prime is 898867327. The reversal of 898867321 is 123768898.

898867321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 898867321 - 2¹¹ = 898865273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (898867327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40857595 + ... + 40857616.

It is an arithmetic number, because the mean of its divisors is an integer number (245145636).

Almost surely, 2^898867321 is an apocalyptic number.

It is an amenable number.

898867321 is a deficient number, since it is larger than the sum of its proper divisors (81715223).

898867321 is a wasteful number, since it uses less digits than its factorization.

898867321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81715222.

The product of its digits is 1161216, while the sum is 52.

The square root of 898867321 is about 29981.1160732885. The cubic root of 898867321 is about 965.0841814041.

The spelling of 898867321 in words is "eight hundred ninety-eight million, eight hundred sixty-seven thousand, three hundred twenty-one".