428709936 has 40 divisors (see below), whose sum is σ = 1131070464. Its totient is φ = 139862080.

The previous prime is 428709917. The next prime is 428709937. The reversal of 428709936 is 639907824.

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

It is not an unprimeable number, because it can be changed into a prime (428709937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92760 + ... + 97271.

Almost surely, 2^428709936 is an apocalyptic number.

It is an amenable number.

428709936 is an abundant number, since it is smaller than the sum of its proper divisors (702360528).

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

428709936 is a wasteful number, since it uses less digits than its factorization.

428709936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190089 (or 190083 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 48.

The square root of 428709936 is about 20705.3117822456. The cubic root of 428709936 is about 754.0286536309.

The spelling of 428709936 in words is "four hundred twenty-eight million, seven hundred nine thousand, nine hundred thirty-six".