1043943 has 4 divisors (see below), whose sum is σ = 1391928. Its totient is φ = 695960.

The previous prime is 1043929. The next prime is 1043951. The reversal of 1043943 is 3493401.

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 1043943 - 2¹⁷ = 912871 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043923) 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, 173988 + ... + 173993.

It is an arithmetic number, because the mean of its divisors is an integer number (347982).

2^1043943 is an apocalyptic number.

1043943 is a deficient number, since it is larger than the sum of its proper divisors (347985).

1043943 is an equidigital number, since it uses as much as digits as its factorization.

1043943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347984.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 1043943 is about 1021.7352886144. The cubic root of 1043943 is about 101.4438201727.

The spelling of 1043943 in words is "one million, forty-three thousand, nine hundred forty-three".