2402443 has 4 divisors (see below), whose sum is σ = 2405880. Its totient is φ = 2399008.

The previous prime is 2402441. The next prime is 2402461. The reversal of 2402443 is 3442042.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2402443 - 2¹ = 2402441 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹⁵ + 4⁶ + 0 + 2²¹ + 4⁶ + 4⁹ + 3⁷ .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2402443.

It is not an unprimeable number, because it can be changed into a prime (2402441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253 + ... + 2206.

It is an arithmetic number, because the mean of its divisors is an integer number (601470).

2^2402443 is an apocalyptic number.

2402443 is the 829-th centered heptagonal number.

2402443 is a deficient number, since it is larger than the sum of its proper divisors (3437).

2402443 is an equidigital number, since it uses as much as digits as its factorization.

2402443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3436.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 2402443 is about 1549.9816127942. The cubic root of 2402443 is about 133.9320030748.

Adding to 2402443 its reverse (3442042), we get a palindrome (5844485).

The spelling of 2402443 in words is "two million, four hundred two thousand, four hundred forty-three".