985332144 has 80 divisors (see below), whose sum is σ = 2671329024. Its totient is φ = 312364800.

The previous prime is 985332133. The next prime is 985332149. The reversal of 985332144 is 441233589.

It is not an unprimeable number, because it can be changed into a prime (985332149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197359 + ... + 202289.

Almost surely, 2^985332144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 985332144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1335664512).

985332144 is an abundant number, since it is smaller than the sum of its proper divisors (1685996880).

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

985332144 is a wasteful number, since it uses less digits than its factorization.

985332144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5146 (or 5140 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 985332144 is about 31390.0007008601. Note that the first 3 decimals coincide. The cubic root of 985332144 is about 995.0866128318.

The spelling of 985332144 in words is "nine hundred eighty-five million, three hundred thirty-two thousand, one hundred forty-four".