428093860 has 24 divisors (see below), whose sum is σ = 918126720. Its totient is φ = 167593824.

The previous prime is 428093857. The next prime is 428093873. The reversal of 428093860 is 68390824.

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 7 ways as a sum of consecutive naturals, for example, 226770 + ... + 228649.

It is an arithmetic number, because the mean of its divisors is an integer number (38255280).

Almost surely, 2^428093860 is an apocalyptic number.

It is an amenable number.

428093860 is an abundant number, since it is smaller than the sum of its proper divisors (490032860).

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

428093860 is a wasteful number, since it uses less digits than its factorization.

428093860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455475 (or 455473 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 428093860 is about 20690.4291883953. The cubic root of 428093860 is about 753.6672891301.

The spelling of 428093860 in words is "four hundred twenty-eight million, ninety-three thousand, eight hundred sixty".