428830896 has 80 divisors (see below), whose sum is σ = 1198638560. Its totient is φ = 131328000.

The previous prime is 428830861. The next prime is 428830901. The reversal of 428830896 is 698038824.

It is a happy number.

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

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, 141396 + ... + 144396.

It is an arithmetic number, because the mean of its divisors is an integer number (14982982).

Almost surely, 2^428830896 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 428830896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (599319280).

428830896 is an abundant number, since it is smaller than the sum of its proper divisors (769807664).

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

428830896 is a wasteful number, since it uses less digits than its factorization.

428830896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3254 (or 3248 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 48.

The square root of 428830896 is about 20708.2325658179. The cubic root of 428830896 is about 754.0995630591.

The spelling of 428830896 in words is "four hundred twenty-eight million, eight hundred thirty thousand, eight hundred ninety-six".