1838442 has 8 divisors (see below), whose sum is σ = 3676896. Its totient is φ = 612812.

The previous prime is 1838429. The next prime is 1838453. The reversal of 1838442 is 2448381.

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

1838442 is an admirable 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, 153198 + ... + 153209.

It is an arithmetic number, because the mean of its divisors is an integer number (459612).

2^1838442 is an apocalyptic number.

1838442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1838442 is a wasteful number, since it uses less digits than its factorization.

1838442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306412.

The product of its digits is 6144, while the sum is 30.

The square root of 1838442 is about 1355.8915885866. The cubic root of 1838442 is about 122.5039176867.

The spelling of 1838442 in words is "one million, eight hundred thirty-eight thousand, four hundred forty-two".