321264830 has 8 divisors (see below), whose sum is σ = 578276712. Its totient is φ = 128505928.

The previous prime is 321264829. The next prime is 321264833. The reversal of 321264830 is 38462123.

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

It is a super-2 number, since 2×321264830² = 206422181989857800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321264793 and 321264802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321264833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16063232 + ... + 16063251.

It is an arithmetic number, because the mean of its divisors is an integer number (72284589).

Almost surely, 2^321264830 is an apocalyptic number.

321264830 is a deficient number, since it is larger than the sum of its proper divisors (257011882).

321264830 is a wasteful number, since it uses less digits than its factorization.

321264830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32126490.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 321264830 is about 17923.8620280340. The cubic root of 321264830 is about 684.8903726386.

The spelling of 321264830 in words is "three hundred twenty-one million, two hundred sixty-four thousand, eight hundred thirty".