1338188 has 6 divisors (see below), whose sum is σ = 2341836. Its totient is φ = 669092.

The previous prime is 1338167. The next prime is 1338217. The reversal of 1338188 is 8818331.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167270 + ... + 167277.

It is an arithmetic number, because the mean of its divisors is an integer number (390306).

2^1338188 is an apocalyptic number.

It is an amenable number.

1338188 is a deficient number, since it is larger than the sum of its proper divisors (1003648).

1338188 is a wasteful number, since it uses less digits than its factorization.

1338188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334551 (or 334549 counting only the distinct ones).

The product of its digits is 4608, while the sum is 32.

The square root of 1338188 is about 1156.8007607190. The cubic root of 1338188 is about 110.1976611351.

The spelling of 1338188 in words is "one million, three hundred thirty-eight thousand, one hundred eighty-eight".