1338019 has 4 divisors (see below), whose sum is σ = 1416744. Its totient is φ = 1259296.

The previous prime is 1338013. The next prime is 1338041. The reversal of 1338019 is 9108331.

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

It is a cyclic number.

It is not a de Polignac number, because 1338019 - 2⁷ = 1337891 is a prime.

It is a super-2 number, since 2×1338019² = 3580589688722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1337984 and 1338002.

It is not an unprimeable number, because it can be changed into a prime (1338013) 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, 39337 + ... + 39370.

It is an arithmetic number, because the mean of its divisors is an integer number (354186).

2^1338019 is an apocalyptic number.

1338019 is a deficient number, since it is larger than the sum of its proper divisors (78725).

1338019 is an equidigital number, since it uses as much as digits as its factorization.

1338019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78724.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 1338019 is about 1156.7277121259. The cubic root of 1338019 is about 110.1930219790.

The spelling of 1338019 in words is "one million, three hundred thirty-eight thousand, nineteen".