428733696 has 72 divisors (see below), whose sum is σ = 1148924224. Its totient is φ = 141926400.

The previous prime is 428733631. The next prime is 428733719. The reversal of 428733696 is 696337824.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114120 + ... + 117816.

Almost surely, 2^428733696 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 428733696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (574462112).

428733696 is an abundant number, since it is smaller than the sum of its proper divisors (720190528).

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

428733696 is a wasteful number, since it uses less digits than its factorization.

428733696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3867 (or 3853 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 48.

The square root of 428733696 is about 20705.8855401067. The cubic root of 428733696 is about 754.0425833211.

The spelling of 428733696 in words is "four hundred twenty-eight million, seven hundred thirty-three thousand, six hundred ninety-six".