30085700 has 18 divisors (see below), whose sum is σ = 65286186. Its totient is φ = 12034240.

The previous prime is 30085697. The next prime is 30085703. The reversal of 30085700 is 758003.

It is an interprime number because it is at equal distance from previous prime (30085697) and next prime (30085703).

It can be written as a sum of positive squares in 3 ways, for example, as 295936 + 29789764 = 544^2 + 5458^2 .

It is not an unprimeable number, because it can be changed into a prime (30085703) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 150329 + ... + 150528.

Almost surely, 2^30085700 is an apocalyptic number.

It is an amenable number.

30085700 is an abundant number, since it is smaller than the sum of its proper divisors (35200486).

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

30085700 is a wasteful number, since it uses less digits than its factorization.

30085700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300871 (or 300864 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 30085700 is about 5485.0432997379. The cubic root of 30085700 is about 311.0188468846.

The spelling of 30085700 in words is "thirty million, eighty-five thousand, seven hundred".