30044087 has 4 divisors (see below), whose sum is σ = 31080120. Its totient is φ = 29008056.

The previous prime is 30044081. The next prime is 30044089. The reversal of 30044087 is 78044003.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30044087 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 (30044081) 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, 517973 + ... + 518030.

It is an arithmetic number, because the mean of its divisors is an integer number (7770030).

Almost surely, 2^30044087 is an apocalyptic number.

30044087 is a deficient number, since it is larger than the sum of its proper divisors (1036033).

30044087 is a wasteful number, since it uses less digits than its factorization.

30044087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036032.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 30044087 is about 5481.2486716076. The cubic root of 30044087 is about 310.8753856061.

The spelling of 30044087 in words is "thirty million, forty-four thousand, eighty-seven".