428253696 has 160 divisors (see below), whose sum is σ = 1365745920. Its totient is φ = 131715072.

The previous prime is 428253659. The next prime is 428253737. The reversal of 428253696 is 696352824.

428253696 is a `hidden beast` number, since 4 + 28 + 2 + 536 + 96 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178521 + ... + 180903.

It is an arithmetic number, because the mean of its divisors is an integer number (8535912).

Almost surely, 2^428253696 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 428253696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (682872960).

428253696 is an abundant number, since it is smaller than the sum of its proper divisors (937492224).

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

428253696 is a wasteful number, since it uses less digits than its factorization.

428253696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2423 (or 2401 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 428253696 is about 20694.2913867569. The cubic root of 428253696 is about 753.7610755532.

The spelling of 428253696 in words is "four hundred twenty-eight million, two hundred fifty-three thousand, six hundred ninety-six".