424121432 has 16 divisors (see below), whose sum is σ = 908831760. Its totient is φ = 181766304.

The previous prime is 424121413. The next prime is 424121443. The reversal of 424121432 is 234121424.

It is a junction number, because it is equal to n+sod(n) for n = 424121398 and 424121407.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3786743 + ... + 3786854.

It is an arithmetic number, because the mean of its divisors is an integer number (56801985).

Almost surely, 2^424121432 is an apocalyptic number.

It is an amenable number.

424121432 is an abundant number, since it is smaller than the sum of its proper divisors (484710328).

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

424121432 is a wasteful number, since it uses less digits than its factorization.

424121432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7573610 (or 7573606 counting only the distinct ones).

The product of its digits is 1536, while the sum is 23.

The square root of 424121432 is about 20594.2087005061. The cubic root of 424121432 is about 751.3288630696.

Adding to 424121432 its reverse (234121424), we get a palindrome (658242856).

The spelling of 424121432 in words is "four hundred twenty-four million, one hundred twenty-one thousand, four hundred thirty-two".