30019994 has 16 divisors (see below), whose sum is σ = 47806848. Its totient is φ = 14089152.

The previous prime is 30019963. The next prime is 30020041. The reversal of 30019994 is 49991003.

It is a Curzon number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 14789 + ... + 16695.

It is an arithmetic number, because the mean of its divisors is an integer number (2987928).

Almost surely, 2^30019994 is an apocalyptic number.

30019994 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

30019994 is a deficient number, since it is larger than the sum of its proper divisors (17786854).

30019994 is a wasteful number, since it uses less digits than its factorization.

30019994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2389.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 30019994 is about 5479.0504651810. The cubic root of 30019994 is about 310.7922641623.

It can be divided in two parts, 3001999 and 4, that added together give a palindrome (3002003).

The spelling of 30019994 in words is "thirty million, nineteen thousand, nine hundred ninety-four".