1979582028 has 12 divisors (see below), whose sum is σ = 4619024760. Its totient is φ = 659860672.

The previous prime is 1979581997. The next prime is 1979582041. The reversal of 1979582028 is 8202859791.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82482573 + ... + 82482596.

It is an arithmetic number, because the mean of its divisors is an integer number (384918730).

Almost surely, 2^1979582028 is an apocalyptic number.

It is an amenable number.

1979582028 is an abundant number, since it is smaller than the sum of its proper divisors (2639442732).

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

1979582028 is a wasteful number, since it uses less digits than its factorization.

1979582028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164965176 (or 164965174 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 51.

The square root of 1979582028 is about 44492.4940636058. The cubic root of 1979582028 is about 1255.6188707617.

The spelling of 1979582028 in words is "one billion, nine hundred seventy-nine million, five hundred eighty-two thousand, twenty-eight".