321434452 has 6 divisors (see below), whose sum is σ = 562510298. Its totient is φ = 160717224.

The previous prime is 321434389. The next prime is 321434467. The reversal of 321434452 is 254434123.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 245987856 + 75446596 = 15684^2 + 8686^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 321434452.

It is a congruent number.

It is an unprimeable number.

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, 40179303 + ... + 40179310.

Almost surely, 2^321434452 is an apocalyptic number.

It is an amenable number.

321434452 is a deficient number, since it is larger than the sum of its proper divisors (241075846).

321434452 is a wasteful number, since it uses less digits than its factorization.

321434452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80358617 (or 80358615 counting only the distinct ones).

The product of its digits is 11520, while the sum is 28.

The square root of 321434452 is about 17928.5931405674. The cubic root of 321434452 is about 685.0108879936.

Adding to 321434452 its reverse (254434123), we get a palindrome (575868575).

The spelling of 321434452 in words is "three hundred twenty-one million, four hundred thirty-four thousand, four hundred fifty-two".