30038089 has 4 divisors (see below), whose sum is σ = 30057156. Its totient is φ = 30019024.

The previous prime is 30038083. The next prime is 30038093. The reversal of 30038089 is 98083003.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98083003 = 79 ⋅1241557.

It can be written as a sum of positive squares in 2 ways, for example, as 6350400 + 23687689 = 2520^2 + 4867^2 .

It is a cyclic number.

It is not a de Polignac number, because 30038089 - 2⁷ = 30037961 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30038089.

It is not an unprimeable number, because it can be changed into a prime (30038083) 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 in 3 ways as a sum of consecutive naturals, for example, 6934 + ... + 10399.

It is an arithmetic number, because the mean of its divisors is an integer number (7514289).

Almost surely, 2^30038089 is an apocalyptic number.

It is an amenable number.

30038089 is a deficient number, since it is larger than the sum of its proper divisors (19067).

30038089 is a wasteful number, since it uses less digits than its factorization.

30038089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19066.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 30038089 is about 5480.7015061943. The cubic root of 30038089 is about 310.8546965138.

The spelling of 30038089 in words is "thirty million, thirty-eight thousand, eighty-nine".