331004404 has 12 divisors (see below), whose sum is σ = 579408228. Its totient is φ = 165459200.

The previous prime is 331004389. The next prime is 331004407. The reversal of 331004404 is 404400133.

331004404 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 225900900 + 105103504 = 15030^2 + 10252^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331004407) 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, 11844 + ... + 28324.

It is an arithmetic number, because the mean of its divisors is an integer number (48284019).

Almost surely, 2^331004404 is an apocalyptic number.

It is an amenable number.

331004404 is a deficient number, since it is larger than the sum of its proper divisors (248403824).

331004404 is a wasteful number, since it uses less digits than its factorization.

331004404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21506 (or 21504 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 331004404 is about 18193.5264311238. The cubic root of 331004404 is about 691.7427095440.

Adding to 331004404 its reverse (404400133), we get a palindrome (735404537).

The spelling of 331004404 in words is "three hundred thirty-one million, four thousand, four hundred four".