964637 has 2 divisors, whose sum is σ = 964638. Its totient is φ = 964636.

The previous prime is 964609. The next prime is 964661. The reversal of 964637 is 736469.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 657721 + 306916 = 811^2 + 554^2 .

It is an emirp because it is prime and its reverse (736469) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 964637 - 2¹⁴ = 948253 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 964597 and 964606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (964697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482318 + 482319.

It is an arithmetic number, because the mean of its divisors is an integer number (482319).

2⁹⁶⁴⁶³⁷ is an apocalyptic number.

It is an amenable number.

964637 is a deficient number, since it is larger than the sum of its proper divisors (1).

964637 is an equidigital number, since it uses as much as digits as its factorization.

964637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 35.

The square root of 964637 is about 982.1593557056. The cubic root of 964637 is about 98.8070588366.

It can be divided in two parts, 9 and 64637, that added together give a palindrome (64646).

The spelling of 964637 in words is "nine hundred sixty-four thousand, six hundred thirty-seven".