428904570 has 16 divisors (see below), whose sum is σ = 1029371040. Its totient is φ = 114374544.

The previous prime is 428904557. The next prime is 428904589. The reversal of 428904570 is 75409824.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7148380 + ... + 7148439.

It is an arithmetic number, because the mean of its divisors is an integer number (64335690).

Almost surely, 2^428904570 is an apocalyptic number.

428904570 is an abundant number, since it is smaller than the sum of its proper divisors (600466470).

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

428904570 is a wasteful number, since it uses less digits than its factorization.

428904570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14296829.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 428904570 is about 20710.0113471722. The cubic root of 428904570 is about 754.1427458540.

The spelling of 428904570 in words is "four hundred twenty-eight million, nine hundred four thousand, five hundred seventy".