428997312 has 168 divisors, whose sum is σ = 1314486576. Its totient is φ = 133300224.

The previous prime is 428997299. The next prime is 428997337. The reversal of 428997312 is 213799824.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1889743 + ... + 1889969.

Almost surely, 2^428997312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 428997312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (657243288).

428997312 is an abundant number, since it is smaller than the sum of its proper divisors (885489264).

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

428997312 is a wasteful number, since it uses less digits than its factorization.

428997312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455 (or 442 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 428997312 is about 20712.2502881749. The cubic root of 428997312 is about 754.1970980113.

The spelling of 428997312 in words is "four hundred twenty-eight million, nine hundred ninety-seven thousand, three hundred twelve".