321346449 has 24 divisors (see below), whose sum is σ = 492477440. Its totient is φ = 201343968.

The previous prime is 321346447. The next prime is 321346453. The reversal of 321346449 is 944643123.

It is a happy number.

321346449 is a `hidden beast` number, since 3 + 2 + 1 + 3 + 4 + 644 + 9 = 666.

It is not a de Polignac number, because 321346449 - 2¹ = 321346447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321346447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14319 + ... + 29115.

Almost surely, 2^321346449 is an apocalyptic number.

It is an amenable number.

321346449 is a deficient number, since it is larger than the sum of its proper divisors (171130991).

321346449 is a wasteful number, since it uses less digits than its factorization.

321346449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14949 (or 14946 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 321346449 is about 17926.1387086009. The cubic root of 321346449 is about 684.9483677139.

It can be divided in two parts, 32134 and 6449, that added together give a palindrome (38583).

The spelling of 321346449 in words is "three hundred twenty-one million, three hundred forty-six thousand, four hundred forty-nine".