321676352 has 56 divisors (see below), whose sum is σ = 663854400. Its totient is φ = 154466816.

The previous prime is 321676339. The next prime is 321676361. The reversal of 321676352 is 253676123.

It is a super-3 number, since 3×321676352³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487799 + ... + 488457.

Almost surely, 2^321676352 is an apocalyptic number.

321676352 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 321676352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331927200).

321676352 is an abundant number, since it is smaller than the sum of its proper divisors (342178048).

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

321676352 is a wasteful number, since it uses less digits than its factorization.

321676352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963 (or 953 counting only the distinct ones).

The product of its digits is 45360, while the sum is 35.

The square root of 321676352 is about 17935.3380787762. The cubic root of 321676352 is about 685.1826830853.

The spelling of 321676352 in words is "three hundred twenty-one million, six hundred seventy-six thousand, three hundred fifty-two".