1040831 has 4 divisors (see below), whose sum is σ = 1135464. Its totient is φ = 946200.

The previous prime is 1040827. The next prime is 1040833. The reversal of 1040831 is 1380401.

It is a happy number.

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 1040831 - 2² = 1040827 is a prime.

It is a super-2 number, since 2×1040831² = 2166658341122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040833) 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, 47300 + ... + 47321.

It is an arithmetic number, because the mean of its divisors is an integer number (283866).

2^1040831 is an apocalyptic number.

1040831 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1040831 is a deficient number, since it is larger than the sum of its proper divisors (94633).

1040831 is an equidigital number, since it uses as much as digits as its factorization.

1040831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94632.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1040831 is about 1020.2112526335. The cubic root of 1040831 is about 101.3429183089.

The spelling of 1040831 in words is "one million, forty thousand, eight hundred thirty-one".