1338392 has 32 divisors (see below), whose sum is σ = 2790720. Its totient is φ = 596640.

The previous prime is 1338391. The next prime is 1338397. The reversal of 1338392 is 2938331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338391) 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, 5783 + ... + 6009.

It is an arithmetic number, because the mean of its divisors is an integer number (87210).

2^1338392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1338392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1395360).

1338392 is an abundant number, since it is smaller than the sum of its proper divisors (1452328).

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

1338392 is a wasteful number, since it uses less digits than its factorization.

1338392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311 (or 307 counting only the distinct ones).

The product of its digits is 3888, while the sum is 29.

The square root of 1338392 is about 1156.8889315747. Note that the first 3 decimals coincide. The cubic root of 1338392 is about 110.2032605428.

The spelling of 1338392 in words is "one million, three hundred thirty-eight thousand, three hundred ninety-two".