428115008 has 28 divisors (see below), whose sum is σ = 886480320. Its totient is φ = 204749952.

The previous prime is 428114993. The next prime is 428115013. The reversal of 428115008 is 800511824.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143948 + ... + 146891.

Almost surely, 2^428115008 is an apocalyptic number.

It is an amenable number.

428115008 is an abundant number, since it is smaller than the sum of its proper divisors (458365312).

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

428115008 is a wasteful number, since it uses less digits than its factorization.

428115008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290874 (or 290864 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 428115008 is about 20690.9402396315. The cubic root of 428115008 is about 753.6796994096.

The spelling of 428115008 in words is "four hundred twenty-eight million, one hundred fifteen thousand, eight".