1388343 has 8 divisors (see below), whose sum is σ = 2019456. Its totient is φ = 841400.

The previous prime is 1388327. The next prime is 1388353. The reversal of 1388343 is 3438831.

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

It is a cyclic number.

It is not a de Polignac number, because 1388343 - 2⁴ = 1388327 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1388343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1388323) 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, 21003 + ... + 21068.

It is an arithmetic number, because the mean of its divisors is an integer number (252432).

2^1388343 is an apocalyptic number.

1388343 is a deficient number, since it is larger than the sum of its proper divisors (631113).

1388343 is a wasteful number, since it uses less digits than its factorization.

1388343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42085.

The product of its digits is 6912, while the sum is 30.

The square root of 1388343 is about 1178.2796781749. The cubic root of 1388343 is about 111.5575389912.

The spelling of 1388343 in words is "one million, three hundred eighty-eight thousand, three hundred forty-three".