428901876 has 36 divisors (see below), whose sum is σ = 1167567492. Its totient is φ = 131969664.

The previous prime is 428901799. The next prime is 428901881. The reversal of 428901876 is 678109824.

It can be written as a sum of positive squares in 2 ways, for example, as 219810276 + 209091600 = 14826^2 + 14460^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 457761 + ... + 458696.

Almost surely, 2^428901876 is an apocalyptic number.

It is an amenable number.

428901876 is an abundant number, since it is smaller than the sum of its proper divisors (738665616).

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

428901876 is a wasteful number, since it uses less digits than its factorization.

428901876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916480 (or 916475 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 428901876 is about 20709.9463060627. The cubic root of 428901876 is about 754.1411668976.

The spelling of 428901876 in words is "four hundred twenty-eight million, nine hundred one thousand, eight hundred seventy-six".