428694268 has 12 divisors (see below), whose sum is σ = 750465352. Its totient is φ = 214275600.

The previous prime is 428694239. The next prime is 428694289. The reversal of 428694268 is 862496824.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3030 + ... + 29437.

Almost surely, 2^428694268 is an apocalyptic number.

It is an amenable number.

428694268 is a deficient number, since it is larger than the sum of its proper divisors (321771084).

428694268 is a wasteful number, since it uses less digits than its factorization.

428694268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35772 (or 35770 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 49.

The square root of 428694268 is about 20704.9334217717. The cubic root of 428694268 is about 754.0194677269.

The spelling of 428694268 in words is "four hundred twenty-eight million, six hundred ninety-four thousand, two hundred sixty-eight".