431004404 has 6 divisors (see below), whose sum is σ = 754257714. Its totient is φ = 215502200.

The previous prime is 431004401. The next prime is 431004419. The reversal of 431004404 is 404400134.

It can be written as a sum of positive squares in only one way, i.e., 265624804 + 165379600 = 16298^2 + 12860^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431004401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53875547 + ... + 53875554.

It is an arithmetic number, because the mean of its divisors is an integer number (125709619).

Almost surely, 2^431004404 is an apocalyptic number.

It is an amenable number.

431004404 is a deficient number, since it is larger than the sum of its proper divisors (323253310).

431004404 is a wasteful number, since it uses less digits than its factorization.

431004404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107751105 (or 107751103 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 431004404 is about 20760.6455583635. The cubic root of 431004404 is about 755.3714553024.

Adding to 431004404 its reverse (404400134), we get a palindrome (835404538).

The spelling of 431004404 in words is "four hundred thirty-one million, four thousand, four hundred four".