424978828 has 12 divisors (see below), whose sum is σ = 747451600. Its totient is φ = 211421232.

The previous prime is 424978823. The next prime is 424978831. The reversal of 424978828 is 828879424.

It is a happy number.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (424978823) by changing a digit.

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, 266151 + ... + 267742.

Almost surely, 2^424978828 is an apocalyptic number.

It is an amenable number.

424978828 is a deficient number, since it is larger than the sum of its proper divisors (322472772).

424978828 is a wasteful number, since it uses less digits than its factorization.

424978828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534096 (or 534094 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 52.

The square root of 424978828 is about 20615.0146252677. The cubic root of 424978828 is about 751.8348131022.

The spelling of 424978828 in words is "four hundred twenty-four million, nine hundred seventy-eight thousand, eight hundred twenty-eight".