428709092 has 24 divisors (see below), whose sum is σ = 858883200. Its totient is φ = 183418560.

The previous prime is 428709091. The next prime is 428709109. The reversal of 428709092 is 290907824.

It is not an unprimeable number, because it can be changed into a prime (428709091) 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, 3992 + ... + 29552.

It is an arithmetic number, because the mean of its divisors is an integer number (35786800).

Almost surely, 2^428709092 is an apocalyptic number.

It is an amenable number.

428709092 is an abundant number, since it is smaller than the sum of its proper divisors (430174108).

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

428709092 is a wasteful number, since it uses less digits than its factorization.

428709092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26171 (or 26169 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 428709092 is about 20705.2914009922. The cubic root of 428709092 is about 754.0281588125.

The spelling of 428709092 in words is "four hundred twenty-eight million, seven hundred nine thousand, ninety-two".