82985562 has 48 divisors (see below), whose sum is σ = 198031392. Its totient is φ = 24905760.

The previous prime is 82985549. The next prime is 82985563. The reversal of 82985562 is 26558928.

82985562 is a `hidden beast` number, since 8 + 2 + 9 + 85 + 562 = 666.

It is not an unprimeable number, because it can be changed into a prime (82985563) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19228 + ... + 23144.

It is an arithmetic number, because the mean of its divisors is an integer number (4125654).

Almost surely, 2^82985562 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82985562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99015696).

82985562 is an abundant number, since it is smaller than the sum of its proper divisors (115045830).

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

82985562 is a wasteful number, since it uses less digits than its factorization.

82985562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4043 (or 4040 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The square root of 82985562 is about 9109.6411564891. The cubic root of 82985562 is about 436.1817726762.

The spelling of 82985562 in words is "eighty-two million, nine hundred eighty-five thousand, five hundred sixty-two".