321961368 has 32 divisors (see below), whose sum is σ = 852251760. Its totient is φ = 101007360.

The previous prime is 321961363. The next prime is 321961369. The reversal of 321961368 is 863169123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321961361) 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, 394153 + ... + 394968.

Almost surely, 2^321961368 is an apocalyptic number.

It is an amenable number.

321961368 is an abundant number, since it is smaller than the sum of its proper divisors (530290392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321961368 is a wasteful number, since it uses less digits than its factorization.

321961368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789147 (or 789143 counting only the distinct ones).

The product of its digits is 46656, while the sum is 39.

The square root of 321961368 is about 17943.2819740425. The cubic root of 321961368 is about 685.3849882673.

The spelling of 321961368 in words is "three hundred twenty-one million, nine hundred sixty-one thousand, three hundred sixty-eight".