1388367 has 8 divisors (see below), whose sum is σ = 2056880. Its totient is φ = 925560.

The previous prime is 1388363. The next prime is 1388369. The reversal of 1388367 is 7638831.

It is not a de Polignac number, because 1388367 - 2² = 1388363 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1388363) 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, 25684 + ... + 25737.

It is an arithmetic number, because the mean of its divisors is an integer number (257110).

2^1388367 is an apocalyptic number.

1388367 is a deficient number, since it is larger than the sum of its proper divisors (668513).

1388367 is an equidigital number, since it uses as much as digits as its factorization.

1388367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51430 (or 51424 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 1388367 is about 1178.2898624702. The cubic root of 1388367 is about 111.5581818115.

The spelling of 1388367 in words is "one million, three hundred eighty-eight thousand, three hundred sixty-seven".