1386994 has 12 divisors (see below), whose sum is σ = 2420334. Its totient is φ = 594384.

The previous prime is 1386991. The next prime is 1387007. The reversal of 1386994 is 4996831.

It can be written as a sum of positive squares in only one way, i.e., 1238769 + 148225 = 1113^2 + 385^2 .

It is not an unprimeable number, because it can be changed into a prime (1386991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6979 + ... + 7174.

2^1386994 is an apocalyptic number.

1386994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1386994 is a deficient number, since it is larger than the sum of its proper divisors (1033340).

1386994 is a wasteful number, since it uses less digits than its factorization.

1386994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14169 (or 14162 counting only the distinct ones).

The product of its digits is 46656, while the sum is 40.

The square root of 1386994 is about 1177.7070943151. The cubic root of 1386994 is about 111.5213952119.

The spelling of 1386994 in words is "one million, three hundred eighty-six thousand, nine hundred ninety-four".