1976738028 has 12 divisors (see below), whose sum is σ = 4612388760. Its totient is φ = 658912672.

The previous prime is 1976738011. The next prime is 1976738039. The reversal of 1976738028 is 8208376791.

1976738028 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82364073 + ... + 82364096.

It is an arithmetic number, because the mean of its divisors is an integer number (384365730).

Almost surely, 2^1976738028 is an apocalyptic number.

It is an amenable number.

1976738028 is an abundant number, since it is smaller than the sum of its proper divisors (2635650732).

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

1976738028 is a wasteful number, since it uses less digits than its factorization.

1976738028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164728176 (or 164728174 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 51.

The square root of 1976738028 is about 44460.5221291878. The cubic root of 1976738028 is about 1255.0172805460.

The spelling of 1976738028 in words is "one billion, nine hundred seventy-six million, seven hundred thirty-eight thousand, twenty-eight".