1386927868 has 18 divisors (see below), whose sum is σ = 2468983496. Its totient is φ = 681703464.

The previous prime is 1386927863. The next prime is 1386927887. The reversal of 1386927868 is 8687296831.

It is a super-2 number, since 2×1386927868² = 3847137822070050848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1386927863) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35880 + ... + 63727.

Almost surely, 2^1386927868 is an apocalyptic number.

It is an amenable number.

1386927868 is a deficient number, since it is larger than the sum of its proper divisors (1082055628).

1386927868 is an equidigital number, since it uses as much as digits as its factorization.

1386927868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99729 (or 99668 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 58.

The square root of 1386927868 is about 37241.4804754054. The cubic root of 1386927868 is about 1115.1962273369.

The spelling of 1386927868 in words is "one billion, three hundred eighty-six million, nine hundred twenty-seven thousand, eight hundred sixty-eight".