985012028 has 192 divisors, whose sum is σ = 2540160000. Its totient is φ = 321269760.

The previous prime is 985012027. The next prime is 985012037. The reversal of 985012028 is 820210589.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985012027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1973723 + ... + 1974221.

It is an arithmetic number, because the mean of its divisors is an integer number (13230000).

Almost surely, 2^985012028 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 985012028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1270080000).

985012028 is an abundant number, since it is smaller than the sum of its proper divisors (1555147972).

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

985012028 is a wasteful number, since it uses less digits than its factorization.

985012028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580 (or 578 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 985012028 is about 31384.9012743389. The cubic root of 985012028 is about 994.9788394783.

The spelling of 985012028 in words is "nine hundred eighty-five million, twelve thousand, twenty-eight".