428983564 has 6 divisors (see below), whose sum is σ = 750721244. Its totient is φ = 214491780.

The previous prime is 428983553. The next prime is 428983571. The reversal of 428983564 is 465389824.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53622942 + ... + 53622949.

Almost surely, 2^428983564 is an apocalyptic number.

It is an amenable number.

428983564 is a deficient number, since it is larger than the sum of its proper divisors (321737680).

428983564 is a wasteful number, since it uses less digits than its factorization.

428983564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107245895 (or 107245893 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 49.

The square root of 428983564 is about 20711.9184046288. The cubic root of 428983564 is about 754.1890413855.

The spelling of 428983564 in words is "four hundred twenty-eight million, nine hundred eighty-three thousand, five hundred sixty-four".