2420306 has 12 divisors (see below), whose sum is σ = 4223358. Its totient is φ = 1037232.

The previous prime is 2420291. The next prime is 2420309. The reversal of 2420306 is 6030242.

2420306 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1500625 + 919681 = 1225^2 + 959^2 .

It is a super-2 number, since 2×2420306² = 11715762267272, which contains 22 as substring.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (2420309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12251 + ... + 12446.

2^2420306 is an apocalyptic number.

2420306 is a deficient number, since it is larger than the sum of its proper divisors (1803052).

2420306 is a wasteful number, since it uses less digits than its factorization.

2420306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24713 (or 24706 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2420306 is about 1555.7332676266. The cubic root of 2420306 is about 134.2631274391.

Adding to 2420306 its reverse (6030242), we get a palindrome (8450548).

The spelling of 2420306 in words is "two million, four hundred twenty thousand, three hundred six".