321434 has 8 divisors (see below), whose sum is σ = 485460. Its totient is φ = 159616.

The previous prime is 321427. The next prime is 321443. The reversal of 321434 is 434123.

It can be written as a sum of positive squares in 2 ways, for example, as 319225 + 2209 = 565^2 + 47^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 321434.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119 + ... + 810.

2³²¹⁴³⁴ is an apocalyptic number.

321434 is a deficient number, since it is larger than the sum of its proper divisors (164026).

321434 is a wasteful number, since it uses less digits than its factorization.

321434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104.

The product of its digits is 288, while the sum is 17.

The square root of 321434 is about 566.9514970436. The cubic root of 321434 is about 68.5010566907.

Adding to 321434 its reverse (434123), we get a palindrome (755557).

The spelling of 321434 in words is "three hundred twenty-one thousand, four hundred thirty-four".