428728152 has 32 divisors (see below), whose sum is σ = 1074193200. Its totient is φ = 142593024.

The previous prime is 428728123. The next prime is 428728177. The reversal of 428728152 is 251827824.

It is a self number, because there is not a number n which added to its sum of digits gives 428728152.

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 7 ways as a sum of consecutive naturals, for example, 8577 + ... + 30512.

Almost surely, 2^428728152 is an apocalyptic number.

It is an amenable number.

428728152 is an abundant number, since it is smaller than the sum of its proper divisors (645465048).

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

428728152 is a wasteful number, since it uses less digits than its factorization.

428728152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39555 (or 39551 counting only the distinct ones).

The product of its digits is 71680, while the sum is 39.

The square root of 428728152 is about 20705.7516646945. The cubic root of 428728152 is about 754.0393331061.

The spelling of 428728152 in words is "four hundred twenty-eight million, seven hundred twenty-eight thousand, one hundred fifty-two".