424782384 has 80 divisors (see below), whose sum is σ = 1188611424. Its totient is φ = 129945600.

The previous prime is 424782353. The next prime is 424782389. The reversal of 424782384 is 483287424.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (424782389) 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, 111064 + ... + 114824.

Almost surely, 2^424782384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 424782384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (594305712).

424782384 is an abundant number, since it is smaller than the sum of its proper divisors (763829040).

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

424782384 is a wasteful number, since it uses less digits than its factorization.

424782384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3966 (or 3960 counting only the distinct ones).

The product of its digits is 344064, while the sum is 42.

The square root of 424782384 is about 20610.2494890285. The cubic root of 424782384 is about 751.7189514867.

The spelling of 424782384 in words is "four hundred twenty-four million, seven hundred eighty-two thousand, three hundred eighty-four".