898021233 has 6 divisors (see below), whose sum is σ = 1297141794. Its totient is φ = 598680816.

The previous prime is 898021231. The next prime is 898021297. The reversal of 898021233 is 332120898.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 898021089 + 144 = 29967^2 + 12^2 .

It is not a de Polignac number, because 898021233 - 2¹ = 898021231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (898021231) 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 in 5 ways as a sum of consecutive naturals, for example, 49890060 + ... + 49890077.

It is an arithmetic number, because the mean of its divisors is an integer number (216190299).

Almost surely, 2^898021233 is an apocalyptic number.

It is an amenable number.

898021233 is a deficient number, since it is larger than the sum of its proper divisors (399120561).

898021233 is a wasteful number, since it uses less digits than its factorization.

898021233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99780143 (or 99780140 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 898021233 is about 29967.0024026428. The cubic root of 898021233 is about 964.7812807571.

The spelling of 898021233 in words is "eight hundred ninety-eight million, twenty-one thousand, two hundred thirty-three".