321845396 has 12 divisors (see below), whose sum is σ = 563410848. Its totient is φ = 160870872.

The previous prime is 321845383. The next prime is 321845399. The reversal of 321845396 is 693548123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321845399) 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, 3275 + ... + 25581.

It is an arithmetic number, because the mean of its divisors is an integer number (46950904).

Almost surely, 2^321845396 is an apocalyptic number.

It is an amenable number.

321845396 is a deficient number, since it is larger than the sum of its proper divisors (241565452).

321845396 is a wasteful number, since it uses less digits than its factorization.

321845396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25918 (or 25916 counting only the distinct ones).

The product of its digits is 155520, while the sum is 41.

The square root of 321845396 is about 17940.0500556715. The cubic root of 321845396 is about 685.3026854184.

The spelling of 321845396 in words is "three hundred twenty-one million, eight hundred forty-five thousand, three hundred ninety-six".