428372876 has 12 divisors (see below), whose sum is σ = 749805000. Its totient is φ = 214142880.

The previous prime is 428372831. The next prime is 428372909. The reversal of 428372876 is 678273824.

It is a super-2 number, since 2×428372876² = 367006641785022752, which contains 22 as substring.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 428372876.

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 3 ways as a sum of consecutive naturals, for example, 22856 + ... + 37136.

It is an arithmetic number, because the mean of its divisors is an integer number (62483750).

Almost surely, 2^428372876 is an apocalyptic number.

It is an amenable number.

428372876 is a deficient number, since it is larger than the sum of its proper divisors (321432124).

428372876 is a wasteful number, since it uses less digits than its factorization.

428372876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21784 (or 21782 counting only the distinct ones).

The product of its digits is 903168, while the sum is 47.

The square root of 428372876 is about 20697.1707245217. The cubic root of 428372876 is about 753.8309912082.

The spelling of 428372876 in words is "four hundred twenty-eight million, three hundred seventy-two thousand, eight hundred seventy-six".