1376980394 has 16 divisors (see below), whose sum is σ = 2073927240. Its totient is φ = 685678080.

The previous prime is 1376980393. The next prime is 1376980403. The reversal of 1376980394 is 4930896731.

It can be written as a sum of positive squares in 4 ways, for example, as 1359028225 + 17952169 = 36865^2 + 4237^2 .

It is not an unprimeable number, because it can be changed into a prime (1376980391) 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 7 ways as a sum of consecutive naturals, for example, 602534 + ... + 604814.

Almost surely, 2^1376980394 is an apocalyptic number.

1376980394 is a deficient number, since it is larger than the sum of its proper divisors (696946846).

1376980394 is a wasteful number, since it uses less digits than its factorization.

1376980394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3385.

The product of its (nonzero) digits is 979776, while the sum is 50.

The square root of 1376980394 is about 37107.6864544261. The cubic root of 1376980394 is about 1112.5236506187.

The spelling of 1376980394 in words is "one billion, three hundred seventy-six million, nine hundred eighty thousand, three hundred ninety-four".