321374361 has 32 divisors (see below), whose sum is σ = 536242176. Its totient is φ = 166320000.

The previous prime is 321374323. The next prime is 321374387. The reversal of 321374361 is 163473123.

It is not a de Polignac number, because 321374361 - 2⁷ = 321374233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (321372361) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62436 + ... + 67386.

It is an arithmetic number, because the mean of its divisors is an integer number (16757568).

Almost surely, 2^321374361 is an apocalyptic number.

It is an amenable number.

321374361 is a deficient number, since it is larger than the sum of its proper divisors (214867815).

321374361 is a wasteful number, since it uses less digits than its factorization.

321374361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5253.

The product of its digits is 9072, while the sum is 30.

The square root of 321374361 is about 17926.9172196449. The cubic root of 321374361 is about 684.9681985698.

The spelling of 321374361 in words is "three hundred twenty-one million, three hundred seventy-four thousand, three hundred sixty-one".