428979570 has 16 divisors (see below), whose sum is σ = 1029551040. Its totient is φ = 114394544.

The previous prime is 428979569. The next prime is 428979589. The reversal of 428979570 is 75979824.

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, 7149630 + ... + 7149689.

It is an arithmetic number, because the mean of its divisors is an integer number (64346940).

Almost surely, 2^428979570 is an apocalyptic number.

428979570 is an abundant number, since it is smaller than the sum of its proper divisors (600571470).

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

428979570 is a wasteful number, since it uses less digits than its factorization.

428979570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14299329.

The product of its (nonzero) digits is 1270080, while the sum is 51.

The square root of 428979570 is about 20711.8219864888. The cubic root of 428979570 is about 754.1867007827.

The spelling of 428979570 in words is "four hundred twenty-eight million, nine hundred seventy-nine thousand, five hundred seventy".