624430432 has 12 divisors (see below), whose sum is σ = 1229347476. Its totient is φ = 312215200.

The previous prime is 624430423. The next prime is 624430439. The reversal of 624430432 is 234034426.

It is a self number, because there is not a number n which added to its sum of digits gives 624430432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (624430439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9756694 + ... + 9756757.

It is an arithmetic number, because the mean of its divisors is an integer number (102445623).

Almost surely, 2^624430432 is an apocalyptic number.

It is an amenable number.

624430432 is a deficient number, since it is larger than the sum of its proper divisors (604917044).

624430432 is a wasteful number, since it uses less digits than its factorization.

624430432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19513461 (or 19513453 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

The square root of 624430432 is about 24988.6060435551. The cubic root of 624430432 is about 854.7281750489.

Adding to 624430432 its reverse (234034426), we get a palindrome (858464858).

It can be divided in two parts, 624 and 430432, that added together give a triangular number (431056 = T₉₂₈).

The spelling of 624430432 in words is "six hundred twenty-four million, four hundred thirty thousand, four hundred thirty-two".