424243413 has 20 divisors (see below), whose sum is σ = 691361088. Its totient is φ = 257116680.

The previous prime is 424243363. The next prime is 424243423. The reversal of 424243413 is 314342424.

It is a happy number.

424243413 is a `hidden beast` number, since 4 + 2 + 4 + 243 + 413 = 666.

It is not a de Polignac number, because 424243413 - 2¹² = 424239317 is a prime.

It is a super-3 number, since 3×424243413³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424243423) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 237181 + ... + 238962.

Almost surely, 2^424243413 is an apocalyptic number.

It is an amenable number.

424243413 is a deficient number, since it is larger than the sum of its proper divisors (267117675).

424243413 is a wasteful number, since it uses less digits than its factorization.

424243413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476166 (or 476157 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 424243413 is about 20597.1700240591. The cubic root of 424243413 is about 751.4008857297.

Adding to 424243413 its reverse (314342424), we get a palindrome (738585837).

The spelling of 424243413 in words is "four hundred twenty-four million, two hundred forty-three thousand, four hundred thirteen".