321374 has 4 divisors (see below), whose sum is σ = 482064. Its totient is φ = 160686.

The previous prime is 321371. The next prime is 321383. The reversal of 321374 is 473123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 473123 = 7 ⋅67589.

It is a d-powerful number, because it can be written as 3 + 2⁷ + 3¹⁰ + 1 + 7² + 4⁹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80342 + ... + 80345.

It is an arithmetic number, because the mean of its divisors is an integer number (120516).

2³²¹³⁷⁴ is an apocalyptic number.

321374 is a deficient number, since it is larger than the sum of its proper divisors (160690).

321374 is a wasteful number, since it uses less digits than its factorization.

321374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160689.

The product of its digits is 504, while the sum is 20.

The square root of 321374 is about 566.8985799947. The cubic root of 321374 is about 68.4967942095.

Adding to 321374 its reverse (473123), we get a palindrome (794497).

The spelling of 321374 in words is "three hundred twenty-one thousand, three hundred seventy-four", and thus it is an iban number.