2042342 has 8 divisors (see below), whose sum is σ = 3162432. Its totient is φ = 988200.

The previous prime is 2042323. The next prime is 2042347. The reversal of 2042342 is 2432402.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2042342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042347) by changing a digit.

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, 16409 + ... + 16532.

It is an arithmetic number, because the mean of its divisors is an integer number (395304).

2^2042342 is an apocalyptic number.

2042342 is a deficient number, since it is larger than the sum of its proper divisors (1120090).

2042342 is a wasteful number, since it uses less digits than its factorization.

2042342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32974.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 2042342 is about 1429.1053145237. The cubic root of 2042342 is about 126.8750294838.

Adding to 2042342 its reverse (2432402), we get a palindrome (4474744).

The spelling of 2042342 in words is "two million, forty-two thousand, three hundred forty-two".