428810756 has 12 divisors (see below), whose sum is σ = 818638800. Its totient is φ = 194913960.

The previous prime is 428810747. The next prime is 428810773. The reversal of 428810756 is 657018824.

It is a super-2 number, since 2×428810756² = 367757328922583072, which contains 22 as substring.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 4872806 + ... + 4872893.

It is an arithmetic number, because the mean of its divisors is an integer number (68219900).

Almost surely, 2^428810756 is an apocalyptic number.

It is an amenable number.

428810756 is a deficient number, since it is larger than the sum of its proper divisors (389828044).

428810756 is a wasteful number, since it uses less digits than its factorization.

428810756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9745714 (or 9745712 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 41.

The square root of 428810756 is about 20707.7462800760. The cubic root of 428810756 is about 754.0877574708.

The spelling of 428810756 in words is "four hundred twenty-eight million, eight hundred ten thousand, seven hundred fifty-six".