1388342 has 8 divisors (see below), whose sum is σ = 2133432. Its totient is φ = 677200.

The previous prime is 1388327. The next prime is 1388353. The reversal of 1388342 is 2438831.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 8384 + ... + 8547.

It is an arithmetic number, because the mean of its divisors is an integer number (266679).

2^1388342 is an apocalyptic number.

1388342 is a deficient number, since it is larger than the sum of its proper divisors (745090).

1388342 is a wasteful number, since it uses less digits than its factorization.

1388342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16974.

The product of its digits is 4608, while the sum is 29.

The square root of 1388342 is about 1178.2792538274. The cubic root of 1388342 is about 111.5575122068.

The spelling of 1388342 in words is "one million, three hundred eighty-eight thousand, three hundred forty-two".