1838834 has 4 divisors (see below), whose sum is σ = 2758254. Its totient is φ = 919416.

The previous prime is 1838819. The next prime is 1838843. The reversal of 1838834 is 4388381.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1836025 + 2809 = 1355^2 + 53^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1838794 and 1838803.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 459707 + ... + 459710.

2^1838834 is an apocalyptic number.

1838834 is a deficient number, since it is larger than the sum of its proper divisors (919420).

1838834 is an equidigital number, since it uses as much as digits as its factorization.

1838834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919419.

The product of its digits is 18432, while the sum is 35.

The square root of 1838834 is about 1356.0361352117. The cubic root of 1838834 is about 122.5126239940.

The spelling of 1838834 in words is "one million, eight hundred thirty-eight thousand, eight hundred thirty-four".