1338836 has 12 divisors (see below), whose sum is σ = 2351412. Its totient is φ = 667008.

The previous prime is 1338823. The next prime is 1338851. The reversal of 1338836 is 6388331.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 115600 + 1223236 = 340^2 + 1106^2 .

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 1346 + ... + 2118.

It is an arithmetic number, because the mean of its divisors is an integer number (195951).

2^1338836 is an apocalyptic number.

It is an amenable number.

1338836 is a deficient number, since it is larger than the sum of its proper divisors (1012576).

1338836 is a wasteful number, since it uses less digits than its factorization.

1338836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210 (or 1208 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 1338836 is about 1157.0808096239. The cubic root of 1338836 is about 110.2154455224.

The spelling of 1338836 in words is "one million, three hundred thirty-eight thousand, eight hundred thirty-six".