324340438 has 4 divisors (see below), whose sum is σ = 486510660. Its totient is φ = 162170218.

The previous prime is 324340421. The next prime is 324340439. The reversal of 324340438 is 834043423.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 834043423 = 61 ⋅13672843.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324340439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81085108 + ... + 81085111.

It is an arithmetic number, because the mean of its divisors is an integer number (121627665).

Almost surely, 2^324340438 is an apocalyptic number.

324340438 is a deficient number, since it is larger than the sum of its proper divisors (162170222).

324340438 is a wasteful number, since it uses less digits than its factorization.

324340438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162170221.

The product of its (nonzero) digits is 27648, while the sum is 31.

The square root of 324340438 is about 18009.4541283183. The cubic root of 324340438 is about 687.0690194919.

It can be divided in two parts, 3243 and 40438, that added together give a square (43681 = 209²).

The spelling of 324340438 in words is "three hundred twenty-four million, three hundred forty thousand, four hundred thirty-eight".