1338678 has 24 divisors (see below), whose sum is σ = 3164616. Its totient is φ = 405600.

The previous prime is 1338671. The next prime is 1338679. The reversal of 1338678 is 8768331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338671) 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 11 ways as a sum of consecutive naturals, for example, 3183 + ... + 3578.

It is an arithmetic number, because the mean of its divisors is an integer number (131859).

2^1338678 is an apocalyptic number.

1338678 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1338678 is an abundant number, since it is smaller than the sum of its proper divisors (1825938).

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

1338678 is a wasteful number, since it uses less digits than its factorization.

1338678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6780 (or 6777 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 1338678 is about 1157.0125323435. The cubic root of 1338678 is about 110.2111097349.

It can be divided in two parts, 1338 and 678, that added together give a triangular number (2016 = T₆₃).

The spelling of 1338678 in words is "one million, three hundred thirty-eight thousand, six hundred seventy-eight".