964838089 has 2 divisors, whose sum is σ = 964838090. Its totient is φ = 964838088.

The previous prime is 964838087. The next prime is 964838197. The reversal of 964838089 is 980838469.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 671846400 + 292991689 = 25920^2 + 17117^2 .

It is a cyclic number.

It is not a de Polignac number, because 964838089 - 2¹ = 964838087 is a prime.

Together with 964838087, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (964838087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482419044 + 482419045.

It is an arithmetic number, because the mean of its divisors is an integer number (482419045).

Almost surely, 2^964838089 is an apocalyptic number.

It is an amenable number.

964838089 is a deficient number, since it is larger than the sum of its proper divisors (1).

964838089 is an equidigital number, since it uses as much as digits as its factorization.

964838089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2985984, while the sum is 55.

The square root of 964838089 is about 31061.8429749427. The cubic root of 964838089 is about 988.1392415909.

It can be divided in two parts, 9648380 and 89, that added together give a palindrome (9648469).

The spelling of 964838089 in words is "nine hundred sixty-four million, eight hundred thirty-eight thousand, eighty-nine".