321401104 has 10 divisors (see below), whose sum is σ = 622714670. Its totient is φ = 160700544.

The previous prime is 321401081. The next prime is 321401107. The reversal of 321401104 is 401104123.

It can be written as a sum of positive squares in only one way, i.e., 313290000 + 8111104 = 17700^2 + 2848^2 .

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 20087569 = 321401104 / (3 + 2 + 1 + 4 + 0 + 1 + 1 + 0 + 4).

It is not an unprimeable number, because it can be changed into a prime (321401107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10043769 + ... + 10043800.

It is an arithmetic number, because the mean of its divisors is an integer number (62271467).

Almost surely, 2^321401104 is an apocalyptic number.

It is an amenable number.

321401104 is a deficient number, since it is larger than the sum of its proper divisors (301313566).

321401104 is a wasteful number, since it uses less digits than its factorization.

321401104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20087577 (or 20087571 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 321401104 is about 17927.6630936662. The cubic root of 321401104 is about 684.9871978001.

Adding to 321401104 its reverse (401104123), we get a palindrome (722505227).

The spelling of 321401104 in words is "three hundred twenty-one million, four hundred one thousand, one hundred four".