1338879 has 4 divisors (see below), whose sum is σ = 1785176. Its totient is φ = 892584.

The previous prime is 1338877. The next prime is 1338881. The reversal of 1338879 is 9788331.

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

It is an interprime number because it is at equal distance from previous prime (1338877) and next prime (1338881).

It is not a de Polignac number, because 1338879 - 2¹ = 1338877 is a prime.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338871) 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, 223144 + ... + 223149.

It is an arithmetic number, because the mean of its divisors is an integer number (446294).

2^1338879 is an apocalyptic number.

1338879 is a deficient number, since it is larger than the sum of its proper divisors (446297).

1338879 is an equidigital number, since it uses as much as digits as its factorization.

1338879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446296.

The product of its digits is 36288, while the sum is 39.

The square root of 1338879 is about 1157.0993907180. The cubic root of 1338879 is about 110.2166254562.

The spelling of 1338879 in words is "one million, three hundred thirty-eight thousand, eight hundred seventy-nine".