2443861 has 8 divisors (see below), whose sum is σ = 2816000. Its totient is φ = 2077488.

The previous prime is 2443849. The next prime is 2443867. The reversal of 2443861 is 1683442.

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

It is not a de Polignac number, because 2443861 - 2⁵ = 2443829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2443867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486 + ... + 2263.

It is an arithmetic number, because the mean of its divisors is an integer number (352000).

2^2443861 is an apocalyptic number.

It is an amenable number.

2443861 is a deficient number, since it is larger than the sum of its proper divisors (372139).

2443861 is a wasteful number, since it uses less digits than its factorization.

2443861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2883.

The product of its digits is 4608, while the sum is 28.

The square root of 2443861 is about 1563.2853226459. The cubic root of 2443861 is about 134.6972823844.

The spelling of 2443861 in words is "two million, four hundred forty-three thousand, eight hundred sixty-one".