1004331 has 4 divisors (see below), whose sum is σ = 1339112. Its totient is φ = 669552.

The previous prime is 1004323. The next prime is 1004363. The reversal of 1004331 is 1334001.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1004331 - 2³ = 1004323 is a prime.

It is a super-2 number, since 2×1004331² = 2017361515122, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

1004331 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1004371) 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, 167386 + ... + 167391.

It is an arithmetic number, because the mean of its divisors is an integer number (334778).

2^1004331 is an apocalyptic number.

1004331 is a deficient number, since it is larger than the sum of its proper divisors (334781).

1004331 is an equidigital number, since it uses as much as digits as its factorization.

1004331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334780.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1004331 is about 1002.1631603686. The cubic root of 1004331 is about 100.1441587494.

Adding to 1004331 its reverse (1334001), we get a palindrome (2338332).

The spelling of 1004331 in words is "one million, four thousand, three hundred thirty-one".