1386923 has 8 divisors (see below), whose sum is σ = 1479168. Its totient is φ = 1297384.

The previous prime is 1386901. The next prime is 1386929. The reversal of 1386923 is 3296831.

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

It is not a de Polignac number, because 1386923 - 2⁸ = 1386667 is a prime.

It is a super-3 number, since 3×1386923³ = 8003469711093337401, which contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1386923.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1386929) 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, 440 + ... + 1722.

It is an arithmetic number, because the mean of its divisors is an integer number (184896).

2^1386923 is an apocalyptic number.

1386923 is a deficient number, since it is larger than the sum of its proper divisors (92245).

1386923 is a wasteful number, since it uses less digits than its factorization.

1386923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353.

The product of its digits is 7776, while the sum is 32.

The square root of 1386923 is about 1177.6769506108. The cubic root of 1386923 is about 111.5194922587.

The spelling of 1386923 in words is "one million, three hundred eighty-six thousand, nine hundred twenty-three".