1387682 has 16 divisors (see below), whose sum is σ = 2201472. Its totient is φ = 654720.

The previous prime is 1387681. The next prime is 1387691. The reversal of 1387682 is 2867831.

It is a super-2 number, since 2×1387682² = 3851322666248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1387681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4307 + ... + 4617.

It is an arithmetic number, because the mean of its divisors is an integer number (137592).

2^1387682 is an apocalyptic number.

1387682 is a deficient number, since it is larger than the sum of its proper divisors (813790).

1387682 is a wasteful number, since it uses less digits than its factorization.

1387682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433.

The product of its digits is 16128, while the sum is 35.

The square root of 1387682 is about 1177.9991511033. Note that the first 3 decimals coincide. The cubic root of 1387682 is about 111.5398317341.

The spelling of 1387682 in words is "one million, three hundred eighty-seven thousand, six hundred eighty-two".