1838838 has 8 divisors (see below), whose sum is σ = 3677688. Its totient is φ = 612944.

The previous prime is 1838819. The next prime is 1838843. The reversal of 1838838 is 8388381.

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

1838838 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1838796 and 1838805.

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, 153231 + ... + 153242.

It is an arithmetic number, because the mean of its divisors is an integer number (459711).

2^1838838 is an apocalyptic number.

1838838 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.

1838838 is a wasteful number, since it uses less digits than its factorization.

1838838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306478.

The product of its digits is 36864, while the sum is 39.

The square root of 1838838 is about 1356.0376100979. The cubic root of 1838838 is about 122.5127128275.

The spelling of 1838838 in words is "one million, eight hundred thirty-eight thousand, eight hundred thirty-eight".