324420427 has 4 divisors (see below), whose sum is σ = 324667336. Its totient is φ = 324173520.

The previous prime is 324420289. The next prime is 324420433. The reversal of 324420427 is 724024423.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-324420427 is a prime.

It is a super-2 number, since 2×324420427² = 210497226909724658, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 324420395 and 324420404.

It is not an unprimeable number, because it can be changed into a prime (324420227) 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, 121473 + ... + 124114.

It is an arithmetic number, because the mean of its divisors is an integer number (81166834).

Almost surely, 2^324420427 is an apocalyptic number.

324420427 is a deficient number, since it is larger than the sum of its proper divisors (246909).

324420427 is a wasteful number, since it uses less digits than its factorization.

324420427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246908.

The product of its (nonzero) digits is 10752, while the sum is 28.

The square root of 324420427 is about 18011.6747416780. The cubic root of 324420427 is about 687.1254966170.

The spelling of 324420427 in words is "three hundred twenty-four million, four hundred twenty thousand, four hundred twenty-seven".