898423645986 has 48 divisors (see below), whose sum is σ = 1955599053408. Its totient is φ = 298088899200.

The previous prime is 898423645943. The next prime is 898423645993. The reversal of 898423645986 is 689546324898.

It is a happy number.

898423645986 is a `hidden beast` number, since 8 + 9 + 8 + 4 + 23 + 6 + 4 + 598 + 6 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9195685 + ... + 9292871.

It is an arithmetic number, because the mean of its divisors is an integer number (40741646946).

Almost surely, 2^898423645986 is an apocalyptic number.

898423645986 is an abundant number, since it is smaller than the sum of its proper divisors (1057175407422).

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

898423645986 is a wasteful number, since it uses less digits than its factorization.

898423645986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99567 (or 99564 counting only the distinct ones).

The product of its digits is 716636160, while the sum is 72.

The spelling of 898423645986 in words is "eight hundred ninety-eight billion, four hundred twenty-three million, six hundred forty-five thousand, nine hundred eighty-six".