1040863 has 4 divisors (see below), whose sum is σ = 1046008. Its totient is φ = 1035720.

The previous prime is 1040861. The next prime is 1040873. The reversal of 1040863 is 3680401.

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 1040863 - 2¹ = 1040861 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 (1040861) 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, 2256 + ... + 2677.

It is an arithmetic number, because the mean of its divisors is an integer number (261502).

2^1040863 is an apocalyptic number.

1040863 is a deficient number, since it is larger than the sum of its proper divisors (5145).

1040863 is an equidigital number, since it uses as much as digits as its factorization.

1040863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5144.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1040863 is about 1020.2269355393. The cubic root of 1040863 is about 101.3439568829.

The spelling of 1040863 in words is "one million, forty thousand, eight hundred sixty-three".