959963 has 4 divisors (see below), whose sum is σ = 968880. Its totient is φ = 951048.

The previous prime is 959953. The next prime is 959969. The reversal of 959963 is 369959.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 959963 - 2⁴ = 959947 is a prime.

It is a super-2 number, since 2×959963² = 1843057922738, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 959963.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (959969) 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 3 ways as a sum of consecutive naturals, for example, 4295 + ... + 4512.

It is an arithmetic number, because the mean of its divisors is an integer number (242220).

2⁹⁵⁹⁹⁶³ is an apocalyptic number.

959963 is a deficient number, since it is larger than the sum of its proper divisors (8917).

959963 is a wasteful number, since it uses less digits than its factorization.

959963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8916.

The product of its digits is 65610, while the sum is 41.

The square root of 959963 is about 979.7770154479. Note that the first 3 decimals coincide. The cubic root of 959963 is about 98.6472155980.

The spelling of 959963 in words is "nine hundred fifty-nine thousand, nine hundred sixty-three".