30044039 has 4 divisors (see below), whose sum is σ = 30553320. Its totient is φ = 29534760.

The previous prime is 30044033. The next prime is 30044051. The reversal of 30044039 is 93044003.

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

It is a cyclic number.

It is not a de Polignac number, because 30044039 - 2¹² = 30039943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30044033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254552 + ... + 254669.

It is an arithmetic number, because the mean of its divisors is an integer number (7638330).

Almost surely, 2^30044039 is an apocalyptic number.

30044039 is a deficient number, since it is larger than the sum of its proper divisors (509281).

30044039 is an equidigital number, since it uses as much as digits as its factorization.

30044039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509280.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 30044039 is about 5481.2442930415. The cubic root of 30044039 is about 310.8752200491.

The spelling of 30044039 in words is "thirty million, forty-four thousand, thirty-nine".