321694 has 8 divisors (see below), whose sum is σ = 485280. Its totient is φ = 159936.

The previous prime is 321679. The next prime is 321707. The reversal of 321694 is 496123.

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 congruent number.

It is an unprimeable number.

321694 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142 + ... + 814.

It is an arithmetic number, because the mean of its divisors is an integer number (60660).

2³²¹⁶⁹⁴ is an apocalyptic number.

321694 is a deficient number, since it is larger than the sum of its proper divisors (163586).

321694 is a wasteful number, since it uses less digits than its factorization.

321694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914.

The product of its digits is 1296, while the sum is 25.

The square root of 321694 is about 567.1807472050. The cubic root of 321694 is about 68.5195213157.

The spelling of 321694 in words is "three hundred twenty-one thousand, six hundred ninety-four".