1816342 has 8 divisors (see below), whose sum is σ = 2972232. Its totient is φ = 825600.

The previous prime is 1816337. The next prime is 1816387. The reversal of 1816342 is 2436181.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41259 + ... + 41302.

It is an arithmetic number, because the mean of its divisors is an integer number (371529).

2^1816342 is an apocalyptic number.

1816342 is a deficient number, since it is larger than the sum of its proper divisors (1155890).

1816342 is a wasteful number, since it uses less digits than its factorization.

1816342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82574.

The product of its digits is 1152, while the sum is 25.

The square root of 1816342 is about 1347.7173294130. The cubic root of 1816342 is about 122.0110623311.

The spelling of 1816342 in words is "one million, eight hundred sixteen thousand, three hundred forty-two".