1979582916 has 24 divisors (see below), whose sum is σ = 4726447264. Its totient is φ = 644515200.

The previous prime is 1979582911. The next prime is 1979582921. The reversal of 1979582916 is 6192859791.

It is an interprime number because it is at equal distance from previous prime (1979582911) and next prime (1979582921).

It is not an unprimeable number, because it can be changed into a prime (1979582911) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1917685 + ... + 1918716.

Almost surely, 2^1979582916 is an apocalyptic number.

It is an amenable number.

1979582916 is an abundant number, since it is smaller than the sum of its proper divisors (2746864348).

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

1979582916 is a wasteful number, since it uses less digits than its factorization.

1979582916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3836451 (or 3836449 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 57.

The square root of 1979582916 is about 44492.5040428160. The cubic root of 1979582916 is about 1255.6190585099.

The spelling of 1979582916 in words is "one billion, nine hundred seventy-nine million, five hundred eighty-two thousand, nine hundred sixteen".