1338868 has 6 divisors (see below), whose sum is σ = 2343026. Its totient is φ = 669432.

The previous prime is 1338863. The next prime is 1338871. The reversal of 1338868 is 8688331.

It can be written as a sum of positive squares in only one way, i.e., 964324 + 374544 = 982^2 + 612^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167355 + ... + 167362.

2^1338868 is an apocalyptic number.

It is an amenable number.

1338868 is a deficient number, since it is larger than the sum of its proper divisors (1004158).

1338868 is a wasteful number, since it uses less digits than its factorization.

1338868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334721 (or 334719 counting only the distinct ones).

The product of its digits is 27648, while the sum is 37.

The square root of 1338868 is about 1157.0946374433. The cubic root of 1338868 is about 110.2163236151.

It can be divided in two parts, 13388 and 68, that added together give a square (13456 = 116²).

The spelling of 1338868 in words is "one million, three hundred thirty-eight thousand, eight hundred sixty-eight".