1043963 has 4 divisors (see below), whose sum is σ = 1046808. Its totient is φ = 1041120.

The previous prime is 1043951. The next prime is 1043969. The reversal of 1043963 is 3693401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3693401 = 47 ⋅78583.

It is a cyclic number.

It is not a de Polignac number, because 1043963 - 2⁶ = 1043899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1043969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 773 + ... + 1638.

It is an arithmetic number, because the mean of its divisors is an integer number (261702).

2^1043963 is an apocalyptic number.

1043963 is a deficient number, since it is larger than the sum of its proper divisors (2845).

1043963 is an equidigital number, since it uses as much as digits as its factorization.

1043963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2844.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 1043963 is about 1021.7450758384. The cubic root of 1043963 is about 101.4444679933. Note that the first 4 decimals are identical.

The spelling of 1043963 in words is "one million, forty-three thousand, nine hundred sixty-three".