964988 has 24 divisors (see below), whose sum is σ = 1868832. Its totient is φ = 433664.

The previous prime is 964981. The next prime is 965023. The reversal of 964988 is 889469.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 964988.

It is not an unprimeable number, because it can be changed into a prime (964981) 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 in 7 ways as a sum of consecutive naturals, for example, 1256 + ... + 1872.

It is an arithmetic number, because the mean of its divisors is an integer number (77868).

2⁹⁶⁴⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

964988 is a deficient number, since it is larger than the sum of its proper divisors (903844).

964988 is a wasteful number, since it uses less digits than its factorization.

964988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661 (or 659 counting only the distinct ones).

The product of its digits is 124416, while the sum is 44.

The square root of 964988 is about 982.3380273613. The cubic root of 964988 is about 98.8190416074.

The spelling of 964988 in words is "nine hundred sixty-four thousand, nine hundred eighty-eight".