428156876 has 24 divisors (see below), whose sum is σ = 861993216. Its totient is φ = 182278800.

The previous prime is 428156851. The next prime is 428156879. The reversal of 428156876 is 678651824.

It is a self number, because there is not a number n which added to its sum of digits gives 428156876.

It is not an unprimeable number, because it can be changed into a prime (428156879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46406 + ... + 54861.

It is an arithmetic number, because the mean of its divisors is an integer number (35916384).

Almost surely, 2^428156876 is an apocalyptic number.

It is an amenable number.

428156876 is an abundant number, since it is smaller than the sum of its proper divisors (433836340).

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

428156876 is a wasteful number, since it uses less digits than its factorization.

428156876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101429 (or 101427 counting only the distinct ones).

The product of its digits is 645120, while the sum is 47.

The square root of 428156876 is about 20691.9519620552. The cubic root of 428156876 is about 753.7042676000.

The spelling of 428156876 in words is "four hundred twenty-eight million, one hundred fifty-six thousand, eight hundred seventy-six".