2342021 has 8 divisors (see below), whose sum is σ = 2666304. Its totient is φ = 2036320.

The previous prime is 2342003. The next prime is 2342027. The reversal of 2342021 is 1202432.

Added to its reverse (1202432) it gives a triangular number (3544453 = T₂₆₆₂).

2342021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2342021 - 2¹⁸ = 2079877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2341987 and 2342005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2342027) 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 7 ways as a sum of consecutive naturals, for example, 4376 + ... + 4881.

It is an arithmetic number, because the mean of its divisors is an integer number (333288).

2^2342021 is an apocalyptic number.

It is an amenable number.

2342021 is a deficient number, since it is larger than the sum of its proper divisors (324283).

2342021 is a wasteful number, since it uses less digits than its factorization.

2342021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9291.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2342021 is about 1530.3662960220. The cubic root of 2342021 is about 132.7996493495.

Adding to 2342021 its reverse (1202432), we get a palindrome (3544453).

The spelling of 2342021 in words is "two million, three hundred forty-two thousand, twenty-one".