1039963 has 4 divisors (see below), whose sum is σ = 1045440. Its totient is φ = 1034488.

The previous prime is 1039949. The next prime is 1039979. The reversal of 1039963 is 3699301.

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 1039963 - 2⁵ = 1039931 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1039943) 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, 2443 + ... + 2836.

It is an arithmetic number, because the mean of its divisors is an integer number (261360).

2^1039963 is an apocalyptic number.

1039963 is a deficient number, since it is larger than the sum of its proper divisors (5477).

1039963 is an equidigital number, since it uses as much as digits as its factorization.

1039963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5476.

The product of its (nonzero) digits is 4374, while the sum is 31.

The square root of 1039963 is about 1019.7857618147. The cubic root of 1039963 is about 101.3147388646.

It can be divided in two parts, 1039 and 963, that added together give a palindrome (2002).

The spelling of 1039963 in words is "one million, thirty-nine thousand, nine hundred sixty-three".