1338279 has 16 divisors (see below), whose sum is σ = 1857024. Its totient is φ = 856800.

The previous prime is 1338277. The next prime is 1338299. The reversal of 1338279 is 9728331.

It is not a de Polignac number, because 1338279 - 2¹ = 1338277 is a prime.

1338279 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12942 + ... + 13044.

It is an arithmetic number, because the mean of its divisors is an integer number (116064).

2^1338279 is an apocalyptic number.

1338279 is a deficient number, since it is larger than the sum of its proper divisors (518745).

1338279 is a wasteful number, since it uses less digits than its factorization.

1338279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238.

The product of its digits is 9072, while the sum is 33.

The square root of 1338279 is about 1156.8400926662. The cubic root of 1338279 is about 110.2001589804.

The spelling of 1338279 in words is "one million, three hundred thirty-eight thousand, two hundred seventy-nine".