321041404 has 12 divisors (see below), whose sum is σ = 591392200. Its totient is φ = 152072208.

The previous prime is 321041401. The next prime is 321041419. The reversal of 321041404 is 404140123.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321041401) 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, 2112039 + ... + 2112190.

Almost surely, 2^321041404 is an apocalyptic number.

It is an amenable number.

321041404 is a deficient number, since it is larger than the sum of its proper divisors (270350796).

321041404 is a wasteful number, since it uses less digits than its factorization.

321041404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4224252 (or 4224250 counting only the distinct ones).

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

The square root of 321041404 is about 17917.6283028754. The cubic root of 321041404 is about 684.7315651281.

Adding to 321041404 its reverse (404140123), we get a palindrome (725181527).

The spelling of 321041404 in words is "three hundred twenty-one million, forty-one thousand, four hundred four".