321674 has 8 divisors (see below), whose sum is σ = 510948. Its totient is φ = 151360.

The previous prime is 321661. The next prime is 321679. The reversal of 321674 is 476123.

321674 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 297025 + 24649 = 545^2 + 157^2 .

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 an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 321674.

It is not an unprimeable number, because it can be changed into a prime (321679) 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, 4697 + ... + 4764.

2³²¹⁶⁷⁴ is an apocalyptic number.

321674 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

321674 is a deficient number, since it is larger than the sum of its proper divisors (189274).

321674 is a wasteful number, since it uses less digits than its factorization.

321674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9480.

The product of its digits is 1008, while the sum is 23.

The square root of 321674 is about 567.1631158670. The cubic root of 321674 is about 68.5181013132.

Adding to 321674 its reverse (476123), we get a palindrome (797797).

Subtracting 321674 from its reverse (476123), we obtain a square (154449 = 393²).

The spelling of 321674 in words is "three hundred twenty-one thousand, six hundred seventy-four".