1386916 has 12 divisors (see below), whose sum is σ = 2450140. Its totient is φ = 686880.

The previous prime is 1386901. The next prime is 1386929. The reversal of 1386916 is 6196831.

It can be written as a sum of positive squares in 2 ways, for example, as 484416 + 902500 = 696^2 + 950^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1155 + ... + 2026.

2^1386916 is an apocalyptic number.

It is an amenable number.

1386916 is a deficient number, since it is larger than the sum of its proper divisors (1063224).

1386916 is a wasteful number, since it uses less digits than its factorization.

1386916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3294 (or 3292 counting only the distinct ones).

The product of its digits is 7776, while the sum is 34.

The square root of 1386916 is about 1177.6739786545. The cubic root of 1386916 is about 111.5193046401.

The spelling of 1386916 in words is "one million, three hundred eighty-six thousand, nine hundred sixteen".