30040184 has 8 divisors (see below), whose sum is σ = 56325360. Its totient is φ = 15020088.

The previous prime is 30040181. The next prime is 30040193. The reversal of 30040184 is 48104003.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30040181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1877504 + ... + 1877519.

It is an arithmetic number, because the mean of its divisors is an integer number (7040670).

Almost surely, 2^30040184 is an apocalyptic number.

It is an amenable number.

30040184 is a deficient number, since it is larger than the sum of its proper divisors (26285176).

30040184 is a wasteful number, since it uses less digits than its factorization.

30040184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3755029 (or 3755025 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 30040184 is about 5480.8926280306. The cubic root of 30040184 is about 310.8619231769.

Adding to 30040184 its reverse (48104003), we get a palindrome (78144187).

The spelling of 30040184 in words is "thirty million, forty thousand, one hundred eighty-four".