1842338 has 4 divisors (see below), whose sum is σ = 2763510. Its totient is φ = 921168.

The previous prime is 1842329. The next prime is 1842349. The reversal of 1842338 is 8332481.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8332481 = 457 ⋅18233.

It can be written as a sum of positive squares in only one way, i.e., 1646089 + 196249 = 1283^2 + 443^2 .

It is an Ulam number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1842338.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460583 + ... + 460586.

2^1842338 is an apocalyptic number.

1842338 is a deficient number, since it is larger than the sum of its proper divisors (921172).

1842338 is an equidigital number, since it uses as much as digits as its factorization.

1842338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921171.

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

The square root of 1842338 is about 1357.3275212711. The cubic root of 1842338 is about 122.5903928134.

The spelling of 1842338 in words is "one million, eight hundred forty-two thousand, three hundred thirty-eight".