1338969 has 4 divisors (see below), whose sum is σ = 1785296. Its totient is φ = 892644.

The previous prime is 1338941. The next prime is 1338979. The reversal of 1338969 is 9698331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9698331 = 3 ⋅3232777.

It is not a de Polignac number, because 1338969 - 2⁹ = 1338457 is a prime.

It is a super-2 number, since 2×1338969² = 3585675965922, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1338979) 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 3 ways as a sum of consecutive naturals, for example, 223159 + ... + 223164.

It is an arithmetic number, because the mean of its divisors is an integer number (446324).

2^1338969 is an apocalyptic number.

It is an amenable number.

1338969 is a deficient number, since it is larger than the sum of its proper divisors (446327).

1338969 is an equidigital number, since it uses as much as digits as its factorization.

1338969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446326.

The product of its digits is 34992, while the sum is 39.

The square root of 1338969 is about 1157.1382804142. The cubic root of 1338969 is about 110.2190950033.

The spelling of 1338969 in words is "one million, three hundred thirty-eight thousand, nine hundred sixty-nine".