30087039 has 4 divisors (see below), whose sum is σ = 40116056. Its totient is φ = 20058024.

The previous prime is 30087037. The next prime is 30087047. The reversal of 30087039 is 93078003.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 30087039 - 2¹ = 30087037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30086997 and 30087015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30087037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5014504 + ... + 5014509.

It is an arithmetic number, because the mean of its divisors is an integer number (10029014).

Almost surely, 2^30087039 is an apocalyptic number.

30087039 is a deficient number, since it is larger than the sum of its proper divisors (10029017).

30087039 is a wasteful number, since it uses less digits than its factorization.

30087039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10029016.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 30087039 is about 5485.1653575804. The cubic root of 30087039 is about 311.0234609046.

The spelling of 30087039 in words is "thirty million, eighty-seven thousand, thirty-nine".