321394679 has 8 divisors (see below), whose sum is σ = 324466560. Its totient is φ = 318337336.

The previous prime is 321394669. The next prime is 321394687. The reversal of 321394679 is 976493123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 321394679 - 2²⁸ = 52959223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321394669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43664 + ... + 50490.

It is an arithmetic number, because the mean of its divisors is an integer number (40558320).

Almost surely, 2^321394679 is an apocalyptic number.

321394679 is a deficient number, since it is larger than the sum of its proper divisors (3071881).

321394679 is a wasteful number, since it uses less digits than its factorization.

321394679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7269.

The product of its digits is 244944, while the sum is 44.

The square root of 321394679 is about 17927.4839004251. The cubic root of 321394679 is about 684.9826333353.

The spelling of 321394679 in words is "three hundred twenty-one million, three hundred ninety-four thousand, six hundred seventy-nine".