321424104 has 16 divisors (see below), whose sum is σ = 803560320. Its totient is φ = 107141360.

The previous prime is 321424099. The next prime is 321424109. The reversal of 321424104 is 401424123.

It is an interprime number because it is at equal distance from previous prime (321424099) and next prime (321424109).

It is not an unprimeable number, because it can be changed into a prime (321424109) 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, 6696312 + ... + 6696359.

It is an arithmetic number, because the mean of its divisors is an integer number (50222520).

Almost surely, 2^321424104 is an apocalyptic number.

It is an amenable number.

321424104 is an abundant number, since it is smaller than the sum of its proper divisors (482136216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321424104 is a wasteful number, since it uses less digits than its factorization.

321424104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13392680 (or 13392676 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 321424104 is about 17928.3045489528. The cubic root of 321424104 is about 685.0035370198.

Adding to 321424104 its reverse (401424123), we get a palindrome (722848227).

The spelling of 321424104 in words is "three hundred twenty-one million, four hundred twenty-four thousand, one hundred four".