985661952 has 80 divisors (see below), whose sum is σ = 2864629152. Its totient is φ = 298680320.

The previous prime is 985661951. The next prime is 985661977. The reversal of 985661952 is 259166589.

It is a junction number, because it is equal to n+sod(n) for n = 985661895 and 985661904.

It is not an unprimeable number, because it can be changed into a prime (985661951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12273 + ... + 46064.

Almost surely, 2^985661952 is an apocalyptic number.

It is an amenable number.

985661952 is an abundant number, since it is smaller than the sum of its proper divisors (1878967200).

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

985661952 is a wasteful number, since it uses less digits than its factorization.

985661952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58369 (or 58353 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 51.

The square root of 985661952 is about 31395.2536540159. The cubic root of 985661952 is about 995.1976247776.

The spelling of 985661952 in words is "nine hundred eighty-five million, six hundred sixty-one thousand, nine hundred fifty-two".