1386807 has 8 divisors (see below), whose sum is σ = 1866480. Its totient is φ = 915840.

The previous prime is 1386787. The next prime is 1386811. The reversal of 1386807 is 7086831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1386807 - 2⁸ = 1386551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1386857) 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 7 ways as a sum of consecutive naturals, for example, 1794 + ... + 2447.

It is an arithmetic number, because the mean of its divisors is an integer number (233310).

2^1386807 is an apocalyptic number.

1386807 is a deficient number, since it is larger than the sum of its proper divisors (479673).

1386807 is a wasteful number, since it uses less digits than its factorization.

1386807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4353.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 1386807 is about 1177.6277000818. The cubic root of 1386807 is about 111.5163830686.

The spelling of 1386807 in words is "one million, three hundred eighty-six thousand, eight hundred seven".