30085868 has 6 divisors (see below), whose sum is σ = 52650276. Its totient is φ = 15042932.

The previous prime is 30085849. The next prime is 30085879. The reversal of 30085868 is 86858003.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3760730 + ... + 3760737.

It is an arithmetic number, because the mean of its divisors is an integer number (8775046).

Almost surely, 2^30085868 is an apocalyptic number.

It is an amenable number.

30085868 is a deficient number, since it is larger than the sum of its proper divisors (22564408).

30085868 is a wasteful number, since it uses less digits than its factorization.

30085868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7521471 (or 7521469 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 30085868 is about 5485.0586140897. The cubic root of 30085868 is about 311.0194257983.

It can be divided in two parts, 300 and 85868, that added together give a palindrome (86168).

The spelling of 30085868 in words is "thirty million, eighty-five thousand, eight hundred sixty-eight".