321494939 has 8 divisors (see below), whose sum is σ = 344509200. Its totient is φ = 298936576.

The previous prime is 321494923. The next prime is 321494951. The reversal of 321494939 is 939494123.

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 321494939 - 2⁴ = 321494923 is a prime.

It is a super-2 number, since 2×321494939² = 206717991605227442, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 321494939.

It is not an unprimeable number, because it can be changed into a prime (321494909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112514 + ... + 115335.

It is an arithmetic number, because the mean of its divisors is an integer number (43063650).

Almost surely, 2^321494939 is an apocalyptic number.

321494939 is a deficient number, since it is larger than the sum of its proper divisors (23014261).

321494939 is a wasteful number, since it uses less digits than its factorization.

321494939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227949.

The product of its digits is 209952, while the sum is 44.

The square root of 321494939 is about 17930.2799476193. The cubic root of 321494939 is about 685.0538533681.

The spelling of 321494939 in words is "three hundred twenty-one million, four hundred ninety-four thousand, nine hundred thirty-nine".