428868268 has 6 divisors (see below), whose sum is σ = 750519476. Its totient is φ = 214434132.

The previous prime is 428868263. The next prime is 428868289. The reversal of 428868268 is 862868824.

It is not an unprimeable number, because it can be changed into a prime (428868263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53608530 + ... + 53608537.

Almost surely, 2^428868268 is an apocalyptic number.

It is an amenable number.

428868268 is a deficient number, since it is larger than the sum of its proper divisors (321651208).

428868268 is a wasteful number, since it uses less digits than its factorization.

428868268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107217071 (or 107217069 counting only the distinct ones).

The product of its digits is 2359296, while the sum is 52.

The square root of 428868268 is about 20709.1348926023. The cubic root of 428868268 is about 754.1214686560.

The spelling of 428868268 in words is "four hundred twenty-eight million, eight hundred sixty-eight thousand, two hundred sixty-eight".