1979036928 has 144 divisors (see below), whose sum is σ = 6384638400. Its totient is φ = 599685120.

The previous prime is 1979036911. The next prime is 1979036933. The reversal of 1979036928 is 8296309791.

1979036928 is a `hidden beast` number, since 197 + 90 + 369 + 2 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63018 + ... + 89046.

Almost surely, 2^1979036928 is an apocalyptic number.

1979036928 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 1979036928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3192319200).

1979036928 is an abundant number, since it is smaller than the sum of its proper divisors (4405601472).

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

1979036928 is a wasteful number, since it uses less digits than its factorization.

1979036928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26065 (or 26045 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 54.

The square root of 1979036928 is about 44486.3678895007. The cubic root of 1979036928 is about 1255.5036106261.

The spelling of 1979036928 in words is "one billion, nine hundred seventy-nine million, thirty-six thousand, nine hundred twenty-eight".