964981 has 2 divisors, whose sum is σ = 964982. Its totient is φ = 964980.

The previous prime is 964973. The next prime is 965023. The reversal of 964981 is 189469.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 586756 + 378225 = 766^2 + 615^2 .

It is a cyclic number.

It is not a de Polignac number, because 964981 - 2³ = 964973 is a prime.

It is a super-2 number, since 2×964981² = 1862376660722, which contains 22 as substring.

It is a Chen prime.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 964981.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (964081) 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, 482490 + 482491.

It is an arithmetic number, because the mean of its divisors is an integer number (482491).

2⁹⁶⁴⁹⁸¹ is an apocalyptic number.

It is an amenable number.

964981 is a deficient number, since it is larger than the sum of its proper divisors (1).

964981 is an equidigital number, since it uses as much as digits as its factorization.

964981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 37.

The square root of 964981 is about 982.3344644264. The cubic root of 964981 is about 98.8188026631.

It can be divided in two parts, 9649 and 81, that added together give a triangular number (9730 = T₁₃₉).

The spelling of 964981 in words is "nine hundred sixty-four thousand, nine hundred eighty-one".