985453560 has 512 divisors, whose sum is σ = 4167475200. Its totient is φ = 201553920.

The previous prime is 985453541. The next prime is 985453619. The reversal of 985453560 is 65354589.

985453560 is a `hidden beast` number, since 9 + 8 + 54 + 535 + 60 = 666.

It is a super-2 number, since 2×985453560² = 1942237437833347200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3636225 + ... + 3636495.

It is an arithmetic number, because the mean of its divisors is an integer number (8139600).

Almost surely, 2^985453560 is an apocalyptic number.

985453560 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 985453560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2083737600).

985453560 is an abundant number, since it is smaller than the sum of its proper divisors (3182021640).

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

985453560 is a wasteful number, since it uses less digits than its factorization.

985453560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348 (or 338 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The square root of 985453560 is about 31391.9346329595. The cubic root of 985453560 is about 995.1274838128.

The spelling of 985453560 in words is "nine hundred eighty-five million, four hundred fifty-three thousand, five hundred sixty".