1386117376 has 72 divisors (see below), whose sum is σ = 3192073920. Its totient is φ = 588417024.

The previous prime is 1386117371. The next prime is 1386117377. The reversal of 1386117376 is 6737116831.

It is not an unprimeable number, because it can be changed into a prime (1386117371) 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, 188130 + ... + 195358.

It is an arithmetic number, because the mean of its divisors is an integer number (44334360).

Almost surely, 2^1386117376 is an apocalyptic number.

1386117376 is a gapful number since it is divisible by the number (16) 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 1386117376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1596036960).

1386117376 is an abundant number, since it is smaller than the sum of its proper divisors (1805956544).

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

1386117376 is an equidigital number, since it uses as much as digits as its factorization.

1386117376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7359 (or 7345 counting only the distinct ones).

The product of its digits is 127008, while the sum is 43.

The square root of 1386117376 is about 37230.5973092025. The cubic root of 1386117376 is about 1114.9789524605.

The spelling of 1386117376 in words is "one billion, three hundred eighty-six million, one hundred seventeen thousand, three hundred seventy-six".