2420089 has 4 divisors (see below), whose sum is σ = 2765824. Its totient is φ = 2074356.

The previous prime is 2420071. The next prime is 2420111. The reversal of 2420089 is 9800242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9800242 = 2 ⋅4900121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2420089 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (2420009) 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 3 ways as a sum of consecutive naturals, for example, 172857 + ... + 172870.

It is an arithmetic number, because the mean of its divisors is an integer number (691456).

2^2420089 is an apocalyptic number.

It is an amenable number.

2420089 is a deficient number, since it is larger than the sum of its proper divisors (345735).

2420089 is an equidigital number, since it uses as much as digits as its factorization.

2420089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345734.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 2420089 is about 1555.6635240308. The cubic root of 2420089 is about 134.2591147276.

The spelling of 2420089 in words is "two million, four hundred twenty thousand, eighty-nine".