963988 has 6 divisors (see below), whose sum is σ = 1686986. Its totient is φ = 481992.

The previous prime is 963979. The next prime is 964009. The reversal of 963988 is 889369.

It can be written as a sum of positive squares in only one way, i.e., 636804 + 327184 = 798^2 + 572^2 .

It is a congruent number.

It is an unprimeable number.

963988 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 120495 + ... + 120502.

2⁹⁶³⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

963988 is a deficient number, since it is larger than the sum of its proper divisors (722998).

963988 is a wasteful number, since it uses less digits than its factorization.

963988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241001 (or 240999 counting only the distinct ones).

The product of its digits is 93312, while the sum is 43.

The square root of 963988 is about 981.8289056653. The cubic root of 963988 is about 98.7848950010.

The spelling of 963988 in words is "nine hundred sixty-three thousand, nine hundred eighty-eight".