324403400 has 48 divisors (see below), whose sum is σ = 770307840. Its totient is φ = 126996800.

The previous prime is 324403379. The next prime is 324403403. The reversal of 324403400 is 4304423.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (324403403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7856 + ... + 26655.

It is an arithmetic number, because the mean of its divisors is an integer number (16048080).

Almost surely, 2^324403400 is an apocalyptic number.

It is an amenable number.

324403400 is an abundant number, since it is smaller than the sum of its proper divisors (445904440).

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

324403400 is a wasteful number, since it uses less digits than its factorization.

324403400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34574 (or 34565 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 324403400 is about 18011.2020698231. The cubic root of 324403400 is about 687.1134752917.

Adding to 324403400 its reverse (4304423), we get a palindrome (328707823).

The spelling of 324403400 in words is "three hundred twenty-four million, four hundred three thousand, four hundred".