985520460 has 96 divisors (see below), whose sum is σ = 2806840512. Its totient is φ = 258334720.

The previous prime is 985520383. The next prime is 985520461. The reversal of 985520460 is 64025589.

It is a super-3 number, since 3×985520460³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (985520461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 928330 + ... + 929390.

It is an arithmetic number, because the mean of its divisors is an integer number (29237922).

Almost surely, 2^985520460 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 985520460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1403420256).

985520460 is an abundant number, since it is smaller than the sum of its proper divisors (1821320052).

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

985520460 is a wasteful number, since it uses less digits than its factorization.

985520460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323 (or 1321 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 985520460 is about 31393.0001751983. Note that the first 3 decimals coincide. The cubic root of 985520460 is about 995.1500022162.

The spelling of 985520460 in words is "nine hundred eighty-five million, five hundred twenty thousand, four hundred sixty".