2443941 has 6 divisors (see below), whose sum is σ = 3530150. Its totient is φ = 1629288.

The previous prime is 2443939. The next prime is 2443949. The reversal of 2443941 is 1493442.

It can be written as a sum of positive squares in only one way, i.e., 2340900 + 103041 = 1530^2 + 321^2 .

It is not a de Polignac number, because 2443941 - 2¹ = 2443939 is a prime.

It is a super-2 number, since 2×2443941² = 11945695222962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2443949) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 135766 + ... + 135783.

2^2443941 is an apocalyptic number.

It is an amenable number.

2443941 is a deficient number, since it is larger than the sum of its proper divisors (1086209).

2443941 is a wasteful number, since it uses less digits than its factorization.

2443941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271555 (or 271552 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 2443941 is about 1563.3109095762. The cubic root of 2443941 is about 134.6987521441.

The spelling of 2443941 in words is "two million, four hundred forty-three thousand, nine hundred forty-one".