2420285 has 8 divisors (see below), whose sum is σ = 3319296. Its totient is φ = 1659600.

The previous prime is 2420279. The next prime is 2420287. The reversal of 2420285 is 5820242.

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

It is not a de Polignac number, because 2420285 - 2⁴ = 2420269 is a prime.

It is a Duffinian number.

It is a Curzon 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 2420285.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34541 + ... + 34610.

It is an arithmetic number, because the mean of its divisors is an integer number (414912).

2^2420285 is an apocalyptic number.

It is an amenable number.

2420285 is a deficient number, since it is larger than the sum of its proper divisors (899011).

2420285 is an equidigital number, since it uses as much as digits as its factorization.

2420285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69163.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 2420285 is about 1555.7265183830. The cubic root of 2420285 is about 134.2627391227.

The spelling of 2420285 in words is "two million, four hundred twenty thousand, two hundred eighty-five".