1338986 has 16 divisors (see below), whose sum is σ = 2213568. Its totient is φ = 607420.

The previous prime is 1338979. The next prime is 1339001. The reversal of 1338986 is 6898331.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2411 + ... + 2913.

It is an arithmetic number, because the mean of its divisors is an integer number (138348).

2^1338986 is an apocalyptic number.

1338986 is a deficient number, since it is larger than the sum of its proper divisors (874582).

1338986 is an equidigital number, since it uses as much as digits as its factorization.

1338986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538 (or 516 counting only the distinct ones).

The product of its digits is 31104, while the sum is 38.

The square root of 1338986 is about 1157.1456260990. The cubic root of 1338986 is about 110.2195614608.

It can be divided in two parts, 133 and 8986, that added together give a palindrome (9119).

The spelling of 1338986 in words is "one million, three hundred thirty-eight thousand, nine hundred eighty-six".