2420443 has 8 divisors (see below), whose sum is σ = 2580768. Its totient is φ = 2262144.

The previous prime is 2420423. The next prime is 2420459. The reversal of 2420443 is 3440242.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2420443 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 2420443.

It is not an unprimeable number, because it can be changed into a prime (2420423) 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, 2530 + ... + 3352.

It is an arithmetic number, because the mean of its divisors is an integer number (322596).

2^2420443 is an apocalyptic number.

2420443 is a deficient number, since it is larger than the sum of its proper divisors (160325).

2420443 is a wasteful number, since it uses less digits than its factorization.

2420443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013.

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

The square root of 2420443 is about 1555.7772976876. Note that the first 3 decimals coincide. The cubic root of 2420443 is about 134.2656606865.

Adding to 2420443 its reverse (3440242), we get a palindrome (5860685).

The spelling of 2420443 in words is "two million, four hundred twenty thousand, four hundred forty-three".