428973284 has 12 divisors (see below), whose sum is σ = 751003008. Its totient is φ = 214401000.

The previous prime is 428973229. The next prime is 428973287. The reversal of 428973284 is 482379824.

It is not an unprimeable number, because it can be changed into a prime (428973287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9392 + ... + 30759.

It is an arithmetic number, because the mean of its divisors is an integer number (62583584).

Almost surely, 2^428973284 is an apocalyptic number.

It is an amenable number.

428973284 is a deficient number, since it is larger than the sum of its proper divisors (322029724).

428973284 is a wasteful number, since it uses less digits than its factorization.

428973284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42826 (or 42824 counting only the distinct ones).

The product of its digits is 774144, while the sum is 47.

The square root of 428973284 is about 20711.6702368496. The cubic root of 428973284 is about 754.1830169703.

The spelling of 428973284 in words is "four hundred twenty-eight million, nine hundred seventy-three thousand, two hundred eighty-four".