1338916 has 12 divisors (see below), whose sum is σ = 2370060. Its totient is φ = 661760.

The previous prime is 1338907. The next prime is 1338923. The reversal of 1338916 is 6198331.

It can be written as a sum of positive squares in 2 ways, for example, as 417316 + 921600 = 646^2 + 960^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1525 + ... + 2236.

It is an arithmetic number, because the mean of its divisors is an integer number (197505).

2^1338916 is an apocalyptic number.

It is an amenable number.

1338916 is a deficient number, since it is larger than the sum of its proper divisors (1031144).

1338916 is a wasteful number, since it uses less digits than its factorization.

1338916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3854 (or 3852 counting only the distinct ones).

The product of its digits is 3888, while the sum is 31.

The square root of 1338916 is about 1157.1153788625. The cubic root of 1338916 is about 110.2176407278.

The spelling of 1338916 in words is "one million, three hundred thirty-eight thousand, nine hundred sixteen".