324213400 has 72 divisors (see below), whose sum is σ = 876891420. Its totient is φ = 111155520.

The previous prime is 324213389. The next prime is 324213403. The reversal of 324213400 is 4312423.

It is a super-2 number, since 2×324213400² = 210228657479120000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324213403) 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 17 ways as a sum of consecutive naturals, for example, 6742 + ... + 26341.

Almost surely, 2^324213400 is an apocalyptic number.

It is an amenable number.

324213400 is an abundant number, since it is smaller than the sum of its proper divisors (552678020).

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

324213400 is a wasteful number, since it uses less digits than its factorization.

324213400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33113 (or 33097 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 324213400 is about 18005.9268020283. The cubic root of 324213400 is about 686.9793038082.

Adding to 324213400 its reverse (4312423), we get a palindrome (328525823).

The spelling of 324213400 in words is "three hundred twenty-four million, two hundred thirteen thousand, four hundred".