428424824 has 16 divisors (see below), whose sum is σ = 821978520. Its totient is φ = 209230560.

The previous prime is 428424823. The next prime is 428424851.

428424824 is nontrivially palindromic in base 10.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428424823) 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, 622367 + ... + 623054.

Almost surely, 2^428424824 is an apocalyptic number.

It is an amenable number.

428424824 is a deficient number, since it is larger than the sum of its proper divisors (393553696).

428424824 is a wasteful number, since it uses less digits than its factorization.

428424824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245470 (or 1245466 counting only the distinct ones).

The product of its digits is 131072, while the sum is 38.

The square root of 428424824 is about 20698.4256406133. The cubic root of 428424824 is about 753.8614618812.

The spelling of 428424824 in words is "four hundred twenty-eight million, four hundred twenty-four thousand, eight hundred twenty-four".