1842238 has 8 divisors (see below), whose sum is σ = 2781432. Its totient is φ = 915096.

The previous prime is 1842233. The next prime is 1842251. The reversal of 1842238 is 8322481.

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

It is a d-powerful number, because it can be written as 1 + 8 + 4 + 2¹⁸ + 2²⁰ + 3¹² + 8² .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1842233) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 2620 + ... + 3247.

It is an arithmetic number, because the mean of its divisors is an integer number (347679).

2^1842238 is an apocalyptic number.

1842238 is a deficient number, since it is larger than the sum of its proper divisors (939194).

1842238 is a wasteful number, since it uses less digits than its factorization.

1842238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6026.

The product of its digits is 3072, while the sum is 28.

The square root of 1842238 is about 1357.2906836783. The cubic root of 1842238 is about 122.5881747512.

It can be divided in two parts, 1842 and 238, that added together give a triangular number (2080 = T₆₄).

The spelling of 1842238 in words is "one million, eight hundred forty-two thousand, two hundred thirty-eight".