30085000 has 80 divisors (see below), whose sum is σ = 77037840. Its totient is φ = 10920000.

The previous prime is 30084953. The next prime is 30085009. The reversal of 30085000 is 58003.

It is not an unprimeable number, because it can be changed into a prime (30085009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 54727 + ... + 55273.

It is an arithmetic number, because the mean of its divisors is an integer number (962973).

Almost surely, 2^30085000 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 30085000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38518920).

30085000 is an abundant number, since it is smaller than the sum of its proper divisors (46952840).

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

30085000 is a wasteful number, since it uses less digits than its factorization.

30085000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584 (or 565 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 30085000 is about 5484.9794894785. The cubic root of 30085000 is about 311.0164347211.

It can be divided in two parts, 3008 and 5000, that added together give a palindrome (8008).

The spelling of 30085000 in words is "thirty million, eighty-five thousand".