324431296 has 56 divisors (see below), whose sum is σ = 737555040. Its totient is φ = 138703872.

The previous prime is 324431293. The next prime is 324431299. The reversal of 324431296 is 692134423.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (324431293) and next prime (324431299).

It is a tau number, because it is divible by the number of its divisors (56).

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324431293) 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, 291990 + ... + 293098.

Almost surely, 2^324431296 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 324431296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368777520).

324431296 is an abundant number, since it is smaller than the sum of its proper divisors (413123744).

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

324431296 is a wasteful number, since it uses less digits than its factorization.

324431296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1781 (or 1771 counting only the distinct ones).

The product of its digits is 31104, while the sum is 34.

The square root of 324431296 is about 18011.9764601223. The cubic root of 324431296 is about 687.1331700792.

The spelling of 324431296 in words is "three hundred twenty-four million, four hundred thirty-one thousand, two hundred ninety-six".