898091868 has 24 divisors (see below), whose sum is σ = 2097495568. Its totient is φ = 299085696.

The previous prime is 898091819. The next prime is 898091891. The reversal of 898091868 is 868190898.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 21121 + ... + 47352.

Almost surely, 2^898091868 is an apocalyptic number.

It is an amenable number.

898091868 is an abundant number, since it is smaller than the sum of its proper divisors (1199403700).

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

898091868 is a wasteful number, since it uses less digits than its factorization.

898091868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69573 (or 69571 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 57.

The square root of 898091868 is about 29968.1809257753. The cubic root of 898091868 is about 964.8065754594.

The spelling of 898091868 in words is "eight hundred ninety-eight million, ninety-one thousand, eight hundred sixty-eight".