324213428 has 48 divisors (see below), whose sum is σ = 738146304. Its totient is φ = 120822240.

The previous prime is 324213427. The next prime is 324213481. The reversal of 324213428 is 824312423.

It is a super-2 number, since 2×324213428² = 210228693791022368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 324213428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324213427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15800 + ... + 29967.

It is an arithmetic number, because the mean of its divisors is an integer number (15378048).

Almost surely, 2^324213428 is an apocalyptic number.

It is an amenable number.

324213428 is an abundant number, since it is smaller than the sum of its proper divisors (413932876).

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

324213428 is a wasteful number, since it uses less digits than its factorization.

324213428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45812 (or 45810 counting only the distinct ones).

The product of its digits is 9216, while the sum is 29.

The square root of 324213428 is about 18005.9275795500. The cubic root of 324213428 is about 686.9793235847.

The spelling of 324213428 in words is "three hundred twenty-four million, two hundred thirteen thousand, four hundred twenty-eight".