1438383 has 4 divisors (see below), whose sum is σ = 1917848. Its totient is φ = 958920.

The previous prime is 1438379. The next prime is 1438399. The reversal of 1438383 is 3838341.

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

It is not a de Polignac number, because 1438383 - 2² = 1438379 is a prime.

It is a D-number.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1438383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1438303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239728 + ... + 239733.

It is an arithmetic number, because the mean of its divisors is an integer number (479462).

2^1438383 is an apocalyptic number.

1438383 is a deficient number, since it is larger than the sum of its proper divisors (479465).

1438383 is an equidigital number, since it uses as much as digits as its factorization.

1438383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479464.

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

The square root of 1438383 is about 1199.3260607525. The cubic root of 1438383 is about 112.8820394330.

The spelling of 1438383 in words is "one million, four hundred thirty-eight thousand, three hundred eighty-three".