1338939 has 24 divisors (see below), whose sum is σ = 2257632. Its totient is φ = 748800.

The previous prime is 1338923. The next prime is 1338941. The reversal of 1338939 is 9398331.

It is not a de Polignac number, because 1338939 - 2⁴ = 1338923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1338979) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3139 + ... + 3539.

It is an arithmetic number, because the mean of its divisors is an integer number (94068).

2^1338939 is an apocalyptic number.

1338939 is a deficient number, since it is larger than the sum of its proper divisors (918693).

1338939 is a wasteful number, since it uses less digits than its factorization.

1338939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467 (or 464 counting only the distinct ones).

The product of its digits is 17496, while the sum is 36.

The square root of 1338939 is about 1157.1253173274. The cubic root of 1338939 is about 110.2182718332.

The spelling of 1338939 in words is "one million, three hundred thirty-eight thousand, nine hundred thirty-nine".