30408039 has 6 divisors (see below), whose sum is σ = 43922736. Its totient is φ = 20272020.

The previous prime is 30407989. The next prime is 30408041. The reversal of 30408039 is 93080403.

It is not a de Polignac number, because 30408039 - 2⁷ = 30407911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30408739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1689327 + ... + 1689344.

It is an arithmetic number, because the mean of its divisors is an integer number (7320456).

Almost surely, 2^30408039 is an apocalyptic number.

30408039 is a deficient number, since it is larger than the sum of its proper divisors (13514697).

30408039 is a wasteful number, since it uses less digits than its factorization.

30408039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3378677 (or 3378674 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 30408039 is about 5514.3484655941. The cubic root of 30408039 is about 312.1256582107.

The spelling of 30408039 in words is "thirty million, four hundred eight thousand, thirty-nine".