898985816 has 8 divisors (see below), whose sum is σ = 1685598420. Its totient is φ = 449492904.

The previous prime is 898985809. The next prime is 898985827. The reversal of 898985816 is 618589898.

It is a tau number, because it is divible by the number of its divisors (8).

It is an alternating number because its digits alternate between even and odd.

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 as a sum of consecutive naturals, namely, 56186606 + ... + 56186621.

Almost surely, 2^898985816 is an apocalyptic number.

It is an amenable number.

898985816 is a deficient number, since it is larger than the sum of its proper divisors (786612604).

898985816 is a wasteful number, since it uses less digits than its factorization.

898985816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112373233 (or 112373229 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 62.

The square root of 898985816 is about 29983.0921687540. The cubic root of 898985816 is about 965.1265875978.

The spelling of 898985816 in words is "eight hundred ninety-eight million, nine hundred eighty-five thousand, eight hundred sixteen".