1338738 has 32 divisors (see below), whose sum is σ = 2851200. Its totient is φ = 418176.

The previous prime is 1338737. The next prime is 1338749. The reversal of 1338738 is 8378331.

It is a junction number, because it is equal to n+sod(n) for n = 1338699 and 1338708.

It is not an unprimeable number, because it can be changed into a prime (1338731) 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 15 ways as a sum of consecutive naturals, for example, 12228 + ... + 12336.

It is an arithmetic number, because the mean of its divisors is an integer number (89100).

2^1338738 is an apocalyptic number.

1338738 is an abundant number, since it is smaller than the sum of its proper divisors (1512462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1338738 is a wasteful number, since it uses less digits than its factorization.

1338738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226.

The product of its digits is 12096, while the sum is 33.

The square root of 1338738 is about 1157.0384608992. The cubic root of 1338738 is about 110.2127562767.

The spelling of 1338738 in words is "one million, three hundred thirty-eight thousand, seven hundred thirty-eight".