321463516 has 12 divisors (see below), whose sum is σ = 613703160. Its totient is φ = 146119760.

The previous prime is 321463501. The next prime is 321463517. The reversal of 321463516 is 615364123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321463517) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 3652951 + ... + 3653038.

It is an arithmetic number, because the mean of its divisors is an integer number (51141930).

Almost surely, 2^321463516 is an apocalyptic number.

It is an amenable number.

321463516 is a deficient number, since it is larger than the sum of its proper divisors (292239644).

321463516 is a wasteful number, since it uses less digits than its factorization.

321463516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7306004 (or 7306002 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 321463516 is about 17929.4036710650. The cubic root of 321463516 is about 685.0315335262.

The spelling of 321463516 in words is "three hundred twenty-one million, four hundred sixty-three thousand, five hundred sixteen".