2023840 has 96 divisors (see below), whose sum is σ = 5927040. Its totient is φ = 635904.

The previous prime is 2023837. The next prime is 2023841. The reversal of 2023840 is 483202.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2023841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14491 + ... + 14629.

It is an arithmetic number, because the mean of its divisors is an integer number (61740).

2^2023840 is an apocalyptic number.

2023840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2023840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2963520).

2023840 is an abundant number, since it is smaller than the sum of its proper divisors (3903200).

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

2023840 is a wasteful number, since it uses less digits than its factorization.

2023840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2023840 is about 1422.6173062352. The cubic root of 2023840 is about 126.4907376034.

The spelling of 2023840 in words is "two million, twenty-three thousand, eight hundred forty".