1338817 has 4 divisors (see below), whose sum is σ = 1342000. Its totient is φ = 1335636.

The previous prime is 1338811. The next prime is 1338823. The reversal of 1338817 is 7188331.

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.

It is an interprime number because it is at equal distance from previous prime (1338811) and next prime (1338823).

It is a cyclic number.

It is not a de Polignac number, because 1338817 - 2³ = 1338809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1338811) 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, 843 + ... + 1840.

It is an arithmetic number, because the mean of its divisors is an integer number (335500).

2^1338817 is an apocalyptic number.

It is an amenable number.

1338817 is a deficient number, since it is larger than the sum of its proper divisors (3183).

1338817 is an equidigital number, since it uses as much as digits as its factorization.

1338817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3182.

The product of its digits is 4032, while the sum is 31.

The square root of 1338817 is about 1157.0725992780. The cubic root of 1338817 is about 110.2149241483.

The spelling of 1338817 in words is "one million, three hundred thirty-eight thousand, eight hundred seventeen".