963986 has 8 divisors (see below), whose sum is σ = 1461180. Its totient is φ = 476928.

The previous prime is 963979. The next prime is 964009. The reversal of 963986 is 689369.

It can be written as a sum of positive squares in 2 ways, for example, as 931225 + 32761 = 965^2 + 181^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable 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 in 3 ways as a sum of consecutive naturals, for example, 2291 + ... + 2678.

2⁹⁶³⁹⁸⁶ is an apocalyptic number.

963986 is a deficient number, since it is larger than the sum of its proper divisors (497194).

963986 is a wasteful number, since it uses less digits than its factorization.

963986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5068.

The product of its digits is 69984, while the sum is 41.

The square root of 963986 is about 981.8278871574. The cubic root of 963986 is about 98.7848266842.

The spelling of 963986 in words is "nine hundred sixty-three thousand, nine hundred eighty-six".