321104428 has 6 divisors (see below), whose sum is σ = 561932756. Its totient is φ = 160552212.

The previous prime is 321104419. The next prime is 321104429. The reversal of 321104428 is 824401123.

It is not an unprimeable number, because it can be changed into a prime (321104429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40138050 + ... + 40138057.

Almost surely, 2^321104428 is an apocalyptic number.

It is an amenable number.

321104428 is a deficient number, since it is larger than the sum of its proper divisors (240828328).

321104428 is a wasteful number, since it uses less digits than its factorization.

321104428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80276111 (or 80276109 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 321104428 is about 17919.3869314773. The cubic root of 321104428 is about 684.7763690049.

The spelling of 321104428 in words is "three hundred twenty-one million, one hundred four thousand, four hundred twenty-eight".