1386303 has 8 divisors (see below), whose sum is σ = 1862448. Its totient is φ = 917184.

The previous prime is 1386293. The next prime is 1386311. The reversal of 1386303 is 3036831.

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

It is not a de Polignac number, because 1386303 - 2⁵ = 1386271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1386313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1276 + ... + 2097.

It is an arithmetic number, because the mean of its divisors is an integer number (232806).

2^1386303 is an apocalyptic number.

1386303 is a deficient number, since it is larger than the sum of its proper divisors (476145).

1386303 is a wasteful number, since it uses less digits than its factorization.

1386303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3513.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 1386303 is about 1177.4136911044. The cubic root of 1386303 is about 111.5028721602.

It can be divided in two parts, 138 and 6303, that added together give a triangular number (6441 = T₁₁₃).

The spelling of 1386303 in words is "one million, three hundred eighty-six thousand, three hundred three".