1338516 has 18 divisors (see below), whose sum is σ = 3383562. Its totient is φ = 446160.

The previous prime is 1338499. The next prime is 1338517. The reversal of 1338516 is 6158331.

It can be written as a sum of positive squares in only one way, i.e., 1040400 + 298116 = 1020^2 + 546^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 1338516.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338517) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18555 + ... + 18626.

2^1338516 is an apocalyptic number.

It is an amenable number.

1338516 is an abundant number, since it is smaller than the sum of its proper divisors (2045046).

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

1338516 is a wasteful number, since it uses less digits than its factorization.

1338516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37191 (or 37186 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 1338516 is about 1156.9425223407. The cubic root of 1338516 is about 110.2066638263.

It can be divided in two parts, 133 and 8516, that added together give a square (8649 = 93²).

The spelling of 1338516 in words is "one million, three hundred thirty-eight thousand, five hundred sixteen".