1338436 has 24 divisors (see below), whose sum is σ = 2691360. Its totient is φ = 576000.

The previous prime is 1338433. The next prime is 1338443. The reversal of 1338436 is 6348331.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1338433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36 + ... + 1636.

It is an arithmetic number, because the mean of its divisors is an integer number (112140).

2^1338436 is an apocalyptic number.

It is an amenable number.

1338436 is an abundant number, since it is smaller than the sum of its proper divisors (1352924).

1338436 is a wasteful number, since it uses less digits than its factorization.

1338436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635 (or 1633 counting only the distinct ones).

The product of its digits is 5184, while the sum is 28.

The square root of 1338436 is about 1156.9079479371. The cubic root of 1338436 is about 110.2044681836.

The spelling of 1338436 in words is "one million, three hundred thirty-eight thousand, four hundred thirty-six".