1579985928 has 96 divisors (see below), whose sum is σ = 4450268160. Its totient is φ = 505854720.

The previous prime is 1579985921. The next prime is 1579985929. The reversal of 1579985928 is 8295899751.

1579985928 is a `hidden beast` number, since 1 + 579 + 9 + 8 + 59 + 2 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (1579985921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 303201 + ... + 308367.

It is an arithmetic number, because the mean of its divisors is an integer number (46356960).

Almost surely, 2^1579985928 is an apocalyptic number.

1579985928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1579985928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2225134080).

1579985928 is an abundant number, since it is smaller than the sum of its proper divisors (2870282232).

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

1579985928 is a wasteful number, since it uses less digits than its factorization.

1579985928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5347 (or 5340 counting only the distinct ones).

The product of its digits is 16329600, while the sum is 63.

The square root of 1579985928 is about 39749.0368185193. The cubic root of 1579985928 is about 1164.7098267282.

The spelling of 1579985928 in words is "one billion, five hundred seventy-nine million, nine hundred eighty-five thousand, nine hundred twenty-eight".