2443812 has 48 divisors (see below), whose sum is σ = 6666240. Its totient is φ = 682272.

The previous prime is 2443807. The next prime is 2443817. The reversal of 2443812 is 2183442.

It is an interprime number because it is at equal distance from previous prime (2443807) and next prime (2443817).

It is not an unprimeable number, because it can be changed into a prime (2443817) 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, 3639 + ... + 4257.

It is an arithmetic number, because the mean of its divisors is an integer number (138880).

2^2443812 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2443812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3333120).

2443812 is an abundant number, since it is smaller than the sum of its proper divisors (4222428).

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

2443812 is a wasteful number, since it uses less digits than its factorization.

2443812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680 (or 678 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

The square root of 2443812 is about 1563.2696504442. The cubic root of 2443812 is about 134.6963821408.

The spelling of 2443812 in words is "two million, four hundred forty-three thousand, eight hundred twelve".