1438363 has 4 divisors (see below), whose sum is σ = 1449000. Its totient is φ = 1427728.

The previous prime is 1438303. The next prime is 1438379. The reversal of 1438363 is 3638341.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1438363 - 2⁹ = 1437851 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1438303) 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 3 ways as a sum of consecutive naturals, for example, 5113 + ... + 5386.

It is an arithmetic number, because the mean of its divisors is an integer number (362250).

2^1438363 is an apocalyptic number.

1438363 is a deficient number, since it is larger than the sum of its proper divisors (10637).

1438363 is a wasteful number, since it uses less digits than its factorization.

1438363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10636.

The product of its digits is 5184, while the sum is 28.

The square root of 1438363 is about 1199.3177227074. The cubic root of 1438363 is about 112.8815162410.

The spelling of 1438363 in words is "one million, four hundred thirty-eight thousand, three hundred sixty-three".