321368 has 24 divisors (see below), whose sum is σ = 644700. Its totient is φ = 150144.

The previous prime is 321367. The next prime is 321371. The reversal of 321368 is 863123.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321367) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2243 + ... + 2381.

2³²¹³⁶⁸ is an apocalyptic number.

It is an amenable number.

321368 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321368 is a wasteful number, since it uses less digits than its factorization.

321368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 158 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 321368 is about 566.8932880181. The cubic root of 321368 is about 68.4963679322.

The spelling of 321368 in words is "three hundred twenty-one thousand, three hundred sixty-eight".