1388363 has 2 divisors, whose sum is σ = 1388364. Its totient is φ = 1388362.

The previous prime is 1388357. The next prime is 1388369. The reversal of 1388363 is 3638831.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1388357) and next prime (1388369).

It is a cyclic number.

It is not a de Polignac number, because 1388363 - 2¹⁸ = 1126219 is a prime.

It is a Sophie Germain prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1388369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 694181 + 694182.

It is an arithmetic number, because the mean of its divisors is an integer number (694182).

2^1388363 is an apocalyptic number.

1388363 is a deficient number, since it is larger than the sum of its proper divisors (1).

1388363 is an equidigital number, since it uses as much as digits as its factorization.

1388363 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 32.

The square root of 1388363 is about 1178.2881650938. The cubic root of 1388363 is about 111.5580746753.

The spelling of 1388363 in words is "one million, three hundred eighty-eight thousand, three hundred sixty-three".