985059520 has 56 divisors (see below), whose sum is σ = 2359846944. Its totient is φ = 391643136.

The previous prime is 985059499. The next prime is 985059539. The reversal of 985059520 is 25950589.

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, 44224 + ... + 62656.

It is an arithmetic number, because the mean of its divisors is an integer number (42140124).

Almost surely, 2^985059520 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 985059520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1179923472).

985059520 is an abundant number, since it is smaller than the sum of its proper divisors (1374787424).

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

985059520 is a wasteful number, since it uses less digits than its factorization.

985059520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18617 (or 18607 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 43.

The square root of 985059520 is about 31385.6578710723. The cubic root of 985059520 is about 994.9948300700.

The spelling of 985059520 in words is "nine hundred eighty-five million, fifty-nine thousand, five hundred twenty".