331446324 has 72 divisors (see below), whose sum is σ = 855959328. Its totient is φ = 98996480.

The previous prime is 331446301. The next prime is 331446329. The reversal of 331446324 is 423644133.

It is a super-2 number, since 2×331446324² = 219713331386225952, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 331446291 and 331446300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331446329) 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 23 ways as a sum of consecutive naturals, for example, 1045414 + ... + 1045730.

It is an arithmetic number, because the mean of its divisors is an integer number (11888324).

Almost surely, 2^331446324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331446324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (427979664).

331446324 is an abundant number, since it is smaller than the sum of its proper divisors (524513004).

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

331446324 is a wasteful number, since it uses less digits than its factorization.

331446324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513 (or 422 counting only the distinct ones).

The product of its digits is 20736, while the sum is 30.

The square root of 331446324 is about 18205.6673593692. The cubic root of 331446324 is about 692.0504184366.

The spelling of 331446324 in words is "three hundred thirty-one million, four hundred forty-six thousand, three hundred twenty-four".