2443401 has 6 divisors (see below), whose sum is σ = 3529370. Its totient is φ = 1628928.

The previous prime is 2443387. The next prime is 2443403. The reversal of 2443401 is 1043442.

2443401 is nontrivially palindromic in base 8.

It can be written as a sum of positive squares in only one way, i.e., 2433600 + 9801 = 1560^2 + 99^2 .

It is not a de Polignac number, because 2443401 - 2⁹ = 2442889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2443403) 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, 135736 + ... + 135753.

2^2443401 is an apocalyptic number.

It is an amenable number.

2443401 is a deficient number, since it is larger than the sum of its proper divisors (1085969).

2443401 is a wasteful number, since it uses less digits than its factorization.

2443401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271495 (or 271492 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2443401 is about 1563.1381896685. The cubic root of 2443401 is about 134.6888306438.

Adding to 2443401 its reverse (1043442), we get a palindrome (3486843).

The spelling of 2443401 in words is "two million, four hundred forty-three thousand, four hundred one".