2168342 has 8 divisors (see below), whose sum is σ = 3548232. Its totient is φ = 985600.

The previous prime is 2168339. The next prime is 2168347. The reversal of 2168342 is 2438612.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2168347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49259 + ... + 49302.

It is an arithmetic number, because the mean of its divisors is an integer number (443529).

2^2168342 is an apocalyptic number.

2168342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2168342 is a deficient number, since it is larger than the sum of its proper divisors (1379890).

2168342 is a wasteful number, since it uses less digits than its factorization.

2168342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98574.

The product of its digits is 2304, while the sum is 26.

The square root of 2168342 is about 1472.5291168598. The cubic root of 2168342 is about 129.4322777643.

It can be divided in two parts, 216 and 8342, that added together give a palindrome (8558).

The spelling of 2168342 in words is "two million, one hundred sixty-eight thousand, three hundred forty-two".