324384457 has 4 divisors (see below), whose sum is σ = 324420480. Its totient is φ = 324348436.

The previous prime is 324384443. The next prime is 324384461. The reversal of 324384457 is 754483423.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 754483423 = 947 ⋅796709.

It is a cyclic number.

It is not a de Polignac number, because 324384457 - 2¹⁹ = 323860169 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (324384407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8844 + ... + 26962.

It is an arithmetic number, because the mean of its divisors is an integer number (81105120).

Almost surely, 2^324384457 is an apocalyptic number.

It is an amenable number.

324384457 is a deficient number, since it is larger than the sum of its proper divisors (36023).

324384457 is a wasteful number, since it uses less digits than its factorization.

324384457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36022.

The product of its digits is 322560, while the sum is 40.

The square root of 324384457 is about 18010.6761949684. The cubic root of 324384457 is about 687.1001007463.

The spelling of 324384457 in words is "three hundred twenty-four million, three hundred eighty-four thousand, four hundred fifty-seven".