985915516 has 24 divisors (see below), whose sum is σ = 1825042464. Its totient is φ = 465062400.

The previous prime is 985915471. The next prime is 985915543. The reversal of 985915516 is 615519589.

It is a self number, because there is not a number n which added to its sum of digits gives 985915516.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66685 + ... + 80116.

It is an arithmetic number, because the mean of its divisors is an integer number (76043436).

Almost surely, 2^985915516 is an apocalyptic number.

It is an amenable number.

985915516 is a deficient number, since it is larger than the sum of its proper divisors (839126948).

985915516 is a wasteful number, since it uses less digits than its factorization.

985915516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146901 (or 146899 counting only the distinct ones).

The product of its digits is 486000, while the sum is 49.

The square root of 985915516 is about 31399.2916480611. The cubic root of 985915516 is about 995.2829564860.

The spelling of 985915516 in words is "nine hundred eighty-five million, nine hundred fifteen thousand, five hundred sixteen".