1386979382 has 16 divisors (see below), whose sum is σ = 2113873200. Its totient is φ = 682429440.

The previous prime is 1386979381. The next prime is 1386979393. The reversal of 1386979382 is 2839796831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1386979381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19094 + ... + 56022.

It is an arithmetic number, because the mean of its divisors is an integer number (132117075).

Almost surely, 2^1386979382 is an apocalyptic number.

1386979382 is a deficient number, since it is larger than the sum of its proper divisors (726893818).

1386979382 is a wasteful number, since it uses less digits than its factorization.

1386979382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37231.

The product of its digits is 3919104, while the sum is 56.

The square root of 1386979382 is about 37242.1720902527. The cubic root of 1386979382 is about 1115.2100342330.

The spelling of 1386979382 in words is "one billion, three hundred eighty-six million, nine hundred seventy-nine thousand, three hundred eighty-two".