1386983 has 12 divisors (see below), whose sum is σ = 1559160. Its totient is φ = 1231776.

The previous prime is 1386977. The next prime is 1386991. The reversal of 1386983 is 3896831.

It is not a de Polignac number, because 1386983 - 2¹⁴ = 1370599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1386953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4760 + ... + 5042.

It is an arithmetic number, because the mean of its divisors is an integer number (129930).

2^1386983 is an apocalyptic number.

1386983 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1386983 is a deficient number, since it is larger than the sum of its proper divisors (172177).

1386983 is a wasteful number, since it uses less digits than its factorization.

1386983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338 (or 325 counting only the distinct ones).

The product of its digits is 31104, while the sum is 38.

The square root of 1386983 is about 1177.7024242142. The cubic root of 1386983 is about 111.5211003925.

Subtracting from 1386983 its sum of digits (38), we obtain a triangular number (1386945 = T₁₆₆₅).

The spelling of 1386983 in words is "one million, three hundred eighty-six thousand, nine hundred eighty-three".