985751828 has 12 divisors (see below), whose sum is σ = 1725688692. Its totient is φ = 492697920.

The previous prime is 985751827. The next prime is 985751843. The reversal of 985751828 is 828157589.

It can be written as a sum of positive squares in 2 ways, for example, as 178169104 + 807582724 = 13348^2 + 28418^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 985751828.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985751827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31625 + ... + 54512.

It is an arithmetic number, because the mean of its divisors is an integer number (143807391).

Almost surely, 2^985751828 is an apocalyptic number.

It is an amenable number.

985751828 is a deficient number, since it is larger than the sum of its proper divisors (739936864).

985751828 is a wasteful number, since it uses less digits than its factorization.

985751828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89002 (or 89000 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 53.

The square root of 985751828 is about 31396.6849842463. The cubic root of 985751828 is about 995.2278723566.

The spelling of 985751828 in words is "nine hundred eighty-five million, seven hundred fifty-one thousand, eight hundred twenty-eight".