1004204431 has 16 divisors (see below), whose sum is σ = 1075263840. Its totient is φ = 936069120.

The previous prime is 1004204429. The next prime is 1004204437. The reversal of 1004204431 is 1344024001.

It is a cyclic number.

It is not a de Polignac number, because 1004204431 - 2¹ = 1004204429 is a prime.

It is a super-2 number, since 2×1004204431² = 2016853078480067522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1004204399 and 1004204408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004204437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110980 + ... + 119686.

It is an arithmetic number, because the mean of its divisors is an integer number (67203990).

Almost surely, 2^1004204431 is an apocalyptic number.

1004204431 is a deficient number, since it is larger than the sum of its proper divisors (71059409).

1004204431 is an equidigital number, since it uses as much as digits as its factorization.

1004204431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8874.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1004204431 is about 31689.1847638907. The cubic root of 1004204431 is about 1001.3995174372.

Adding to 1004204431 its reverse (1344024001), we get a palindrome (2348228432).

The spelling of 1004204431 in words is "one billion, four million, two hundred four thousand, four hundred thirty-one".