239242873 has 2 divisors, whose sum is σ = 239242874. Its totient is φ = 239242872.

The previous prime is 239242867. The next prime is 239242879. The reversal of 239242873 is 378242932.

239242873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (239242867) and next prime (239242879).

It can be written as a sum of positive squares in only one way, i.e., 207014544 + 32228329 = 14388^2 + 5677^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-239242873 is a prime.

It is not a weakly prime, because it can be changed into another prime (239242879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119621436 + 119621437.

It is an arithmetic number, because the mean of its divisors is an integer number (119621437).

Almost surely, 2^239242873 is an apocalyptic number.

It is an amenable number.

239242873 is a deficient number, since it is larger than the sum of its proper divisors (1).

239242873 is an equidigital number, since it uses as much as digits as its factorization.

239242873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 40.

The square root of 239242873 is about 15467.4779133510. The cubic root of 239242873 is about 620.7923212322.

The spelling of 239242873 in words is "two hundred thirty-nine million, two hundred forty-two thousand, eight hundred seventy-three".