331433404 has 12 divisors (see below), whose sum is σ = 605226384. Its totient is φ = 158511584.

The previous prime is 331433353. The next prime is 331433423. The reversal of 331433404 is 404334133.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1801177 + ... + 1801360.

It is an arithmetic number, because the mean of its divisors is an integer number (50435532).

Almost surely, 2^331433404 is an apocalyptic number.

It is an amenable number.

331433404 is a deficient number, since it is larger than the sum of its proper divisors (273792980).

331433404 is a wasteful number, since it uses less digits than its factorization.

331433404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3602564 (or 3602562 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

The square root of 331433404 is about 18205.3125213494. The cubic root of 331433404 is about 692.0414261233.

Adding to 331433404 its reverse (404334133), we get a palindrome (735767537).

The spelling of 331433404 in words is "three hundred thirty-one million, four hundred thirty-three thousand, four hundred four".