1338849 has 10 divisors (see below), whose sum is σ = 2000130. Its totient is φ = 892512.

The previous prime is 1338823. The next prime is 1338851. The reversal of 1338849 is 9488331.

It can be written as a sum of positive squares in only one way, i.e., 1306449 + 32400 = 1143^2 + 180^2 .

It is not a de Polignac number, because 1338849 - 2¹¹ = 1336801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1338809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8184 + ... + 8345.

It is an arithmetic number, because the mean of its divisors is an integer number (200013).

2^1338849 is an apocalyptic number.

It is an amenable number.

1338849 is a deficient number, since it is larger than the sum of its proper divisors (661281).

1338849 is an equidigital number, since it uses as much as digits as its factorization.

1338849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16541 (or 16532 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 1338849 is about 1157.0864271955. The cubic root of 1338849 is about 110.2158022493.

It can be divided in two parts, 1338 and 849, that added together give a 7-th power (2187 = 3⁷).

The spelling of 1338849 in words is "one million, three hundred thirty-eight thousand, eight hundred forty-nine".