985838154 has 24 divisors (see below), whose sum is σ = 2293583328. Its totient is φ = 281667960.

The previous prime is 985838111. The next prime is 985838159. The reversal of 985838154 is 451838589.

It is a junction number, because it is equal to n+sod(n) for n = 985838097 and 985838106.

It is not an unprimeable number, because it can be changed into a prime (985838159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1676302 + ... + 1676889.

It is an arithmetic number, because the mean of its divisors is an integer number (95565972).

Almost surely, 2^985838154 is an apocalyptic number.

985838154 is an abundant number, since it is smaller than the sum of its proper divisors (1307745174).

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

985838154 is a wasteful number, since it uses less digits than its factorization.

985838154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3353210 (or 3353203 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 51.

The square root of 985838154 is about 31398.0597171226. The cubic root of 985838154 is about 995.2569234596.

The spelling of 985838154 in words is "nine hundred eighty-five million, eight hundred thirty-eight thousand, one hundred fifty-four".