2023842 has 32 divisors (see below), whose sum is σ = 4374720. Its totient is φ = 622080.

The previous prime is 2023841. The next prime is 2023843. The reversal of 2023842 is 2483202.

It is an interprime number because it is at equal distance from previous prime (2023841) and next prime (2023843).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2023841) 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 15 ways as a sum of consecutive naturals, for example, 4458 + ... + 4890.

It is an arithmetic number, because the mean of its divisors is an integer number (136710).

2^2023842 is an apocalyptic number.

2023842 is an abundant number, since it is smaller than the sum of its proper divisors (2350878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2023842 is a wasteful number, since it uses less digits than its factorization.

2023842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2023842 is about 1422.6180091648. The cubic root of 2023842 is about 126.4907792703.

The spelling of 2023842 in words is "two million, twenty-three thousand, eight hundred forty-two".