321642848 has 12 divisors (see below), whose sum is σ = 633234420. Its totient is φ = 160821408.

The previous prime is 321642829. The next prime is 321642863. The reversal of 321642848 is 848246123.

It is a super-2 number, since 2×321642848² = 206908243339102208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5025638 + ... + 5025701.

It is an arithmetic number, because the mean of its divisors is an integer number (52769535).

Almost surely, 2^321642848 is an apocalyptic number.

It is an amenable number.

321642848 is a deficient number, since it is larger than the sum of its proper divisors (311591572).

321642848 is a wasteful number, since it uses less digits than its factorization.

321642848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10051349 (or 10051341 counting only the distinct ones).

The product of its digits is 73728, while the sum is 38.

The square root of 321642848 is about 17934.4040324735. The cubic root of 321642848 is about 685.1588940009.

It can be divided in two parts, 3216 and 42848, that added together give a palindrome (46064).

The spelling of 321642848 in words is "three hundred twenty-one million, six hundred forty-two thousand, eight hundred forty-eight".