30001866 has 8 divisors (see below), whose sum is σ = 60003744. Its totient is φ = 10000620.

The previous prime is 30001847. The next prime is 30001871. The reversal of 30001866 is 66810003.

It is a sphenic number, since it is the product of 3 distinct primes.

30001866 is an admirable number.

It is a super-2 number, since 2×30001866² = 1800223926963912, which contains 22 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 2500150 + ... + 2500161.

It is an arithmetic number, because the mean of its divisors is an integer number (7500468).

Almost surely, 2^30001866 is an apocalyptic number.

30001866 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30001866 is a wasteful number, since it uses less digits than its factorization.

30001866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5000316.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 30001866 is about 5477.3959141183. The cubic root of 30001866 is about 310.7296927905.

Adding to 30001866 its reverse (66810003), we get a palindrome (96811869).

The spelling of 30001866 in words is "thirty million, one thousand, eight hundred sixty-six".