944064839 has 2 divisors, whose sum is σ = 944064840. Its totient is φ = 944064838.

The previous prime is 944064833. The next prime is 944064857. The reversal of 944064839 is 938460449.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-944064839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 944064793 and 944064802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (944064833) 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, 472032419 + 472032420.

It is an arithmetic number, because the mean of its divisors is an integer number (472032420).

Almost surely, 2^944064839 is an apocalyptic number.

944064839 is a deficient number, since it is larger than the sum of its proper divisors (1).

944064839 is an equidigital number, since it uses as much as digits as its factorization.

944064839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 746496, while the sum is 47.

The square root of 944064839 is about 30725.6381382063. The cubic root of 944064839 is about 980.9960853065.

The spelling of 944064839 in words is "nine hundred forty-four million, sixty-four thousand, eight hundred thirty-nine".