1338808 has 16 divisors (see below), whose sum is σ = 2578680. Its totient is φ = 651168.

The previous prime is 1338803. The next prime is 1338809. The reversal of 1338808 is 8088331.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1338808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338803) 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, 1966 + ... + 2557.

2^1338808 is an apocalyptic number.

It is an amenable number.

1338808 is a deficient number, since it is larger than the sum of its proper divisors (1239872).

1338808 is a wasteful number, since it uses less digits than its factorization.

1338808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4566 (or 4562 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 1338808 is about 1157.0687101465. The cubic root of 1338808 is about 110.2146771799.

The spelling of 1338808 in words is "one million, three hundred thirty-eight thousand, eight hundred eight".