964097839 has 2 divisors, whose sum is σ = 964097840. Its totient is φ = 964097838.

The previous prime is 964097833. The next prime is 964097843. The reversal of 964097839 is 938790469.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 964097839 - 2⁹ = 964097327 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 964097839.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (964097833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482048919 + 482048920.

It is an arithmetic number, because the mean of its divisors is an integer number (482048920).

Almost surely, 2^964097839 is an apocalyptic number.

964097839 is a deficient number, since it is larger than the sum of its proper divisors (1).

964097839 is an equidigital number, since it uses as much as digits as its factorization.

964097839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2939328, while the sum is 55.

The square root of 964097839 is about 31049.9249435486. The cubic root of 964097839 is about 987.8864678425.

The spelling of 964097839 in words is "nine hundred sixty-four million, ninety-seven thousand, eight hundred thirty-nine".