30044939 has 2 divisors, whose sum is σ = 30044940. Its totient is φ = 30044938.

The previous prime is 30044897. The next prime is 30044953. The reversal of 30044939 is 93944003.

It is a strong prime.

It is an emirp because it is prime and its reverse (93944003) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30044939 - 2¹⁶ = 29979403 is a prime.

It is a Chen prime.

It is equal to p_1860494 and since 30044939 and 1860494 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (30040939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15022469 + 15022470.

It is an arithmetic number, because the mean of its divisors is an integer number (15022470).

Almost surely, 2^30044939 is an apocalyptic number.

30044939 is a deficient number, since it is larger than the sum of its proper divisors (1).

30044939 is an equidigital number, since it uses as much as digits as its factorization.

30044939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 30044939 is about 5481.3263905737. The cubic root of 30044939 is about 310.8783242134.

It can be divided in two parts, 30044 and 939, that multiplied together give a triangular number (28211316 = T₇₅₁₁).

The spelling of 30044939 in words is "thirty million, forty-four thousand, nine hundred thirty-nine".