1438459 has 4 divisors (see below), whose sum is σ = 1569240. Its totient is φ = 1307680.

The previous prime is 1438457. The next prime is 1438477. The reversal of 1438459 is 9548341.

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

It is not a de Polignac number, because 1438459 - 2¹ = 1438457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1438457) 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, 65374 + ... + 65395.

It is an arithmetic number, because the mean of its divisors is an integer number (392310).

2^1438459 is an apocalyptic number.

1438459 is a deficient number, since it is larger than the sum of its proper divisors (130781).

1438459 is a wasteful number, since it uses less digits than its factorization.

1438459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130780.

The product of its digits is 17280, while the sum is 34.

The square root of 1438459 is about 1199.3577447951. The cubic root of 1438459 is about 112.8840275182.

The spelling of 1438459 in words is "one million, four hundred thirty-eight thousand, four hundred fifty-nine".