1438271 has 2 divisors, whose sum is σ = 1438272. Its totient is φ = 1438270.

The previous prime is 1438267. The next prime is 1438279. The reversal of 1438271 is 1728341.

It is a weak prime.

It is an emirp because it is prime and its reverse (1728341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1438271 - 2² = 1438267 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1438271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1438279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 719135 + 719136.

It is an arithmetic number, because the mean of its divisors is an integer number (719136).

2^1438271 is an apocalyptic number.

1438271 is a deficient number, since it is larger than the sum of its proper divisors (1).

1438271 is an equidigital number, since it uses as much as digits as its factorization.

1438271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1344, while the sum is 26.

The square root of 1438271 is about 1199.2793669533. The cubic root of 1438271 is about 112.8791094956.

The spelling of 1438271 in words is "one million, four hundred thirty-eight thousand, two hundred seventy-one".