1388042 has 8 divisors (see below), whose sum is σ = 2087616. Its totient is φ = 692172.

The previous prime is 1388041. The next prime is 1388053. The reversal of 1388042 is 2408831.

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

It is not an unprimeable number, because it can be changed into a prime (1388041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383 + ... + 1709.

It is an arithmetic number, because the mean of its divisors is an integer number (260952).

2^1388042 is an apocalyptic number.

1388042 is a deficient number, since it is larger than the sum of its proper divisors (699574).

1388042 is a wasteful number, since it uses less digits than its factorization.

1388042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1852.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 1388042 is about 1178.1519426627. The cubic root of 1388042 is about 111.5494763231.

The spelling of 1388042 in words is "one million, three hundred eighty-eight thousand, forty-two".