1379984188 has 36 divisors (see below), whose sum is σ = 2658302920. Its totient is φ = 626361120.

The previous prime is 1379984183. The next prime is 1379984201. The reversal of 1379984188 is 8814899731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1379984183) 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 11 ways as a sum of consecutive naturals, for example, 425758 + ... + 428986.

Almost surely, 2^1379984188 is an apocalyptic number.

It is an amenable number.

1379984188 is a deficient number, since it is larger than the sum of its proper divisors (1278318732).

1379984188 is a wasteful number, since it uses less digits than its factorization.

1379984188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4138 (or 4125 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 58.

The square root of 1379984188 is about 37148.1384190379. The cubic root of 1379984188 is about 1113.3320293131.

The spelling of 1379984188 in words is "one billion, three hundred seventy-nine million, nine hundred eighty-four thousand, one hundred eighty-eight".