1000963 has 4 divisors (see below), whose sum is σ = 1003288. Its totient is φ = 998640.

The previous prime is 1000931. The next prime is 1000969. The reversal of 1000963 is 3690001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3690001 = 7 ⋅527143.

It is a cyclic number.

It is not a de Polignac number, because 1000963 - 2⁵ = 1000931 is a prime.

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 1000963.

It is not an unprimeable number, because it can be changed into a prime (1000969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306 + ... + 1447.

It is an arithmetic number, because the mean of its divisors is an integer number (250822).

2^1000963 is an apocalyptic number.

1000963 is a deficient number, since it is larger than the sum of its proper divisors (2325).

1000963 is an equidigital number, since it uses as much as digits as its factorization.

1000963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2324.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 1000963 is about 1000.4813841347. The cubic root of 1000963 is about 100.0320897014.

Adding to 1000963 its reverse (3690001), we get a palindrome (4690964).

The spelling of 1000963 in words is "one million, nine hundred sixty-three", and thus it is an aban number.