2420418 has 96 divisors (see below), whose sum is σ = 6746112. Its totient is φ = 561600.

The previous prime is 2420417. The next prime is 2420423. The reversal of 2420418 is 8140242.

2420418 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a zygodrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 2420394 and 2420403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420417) 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 47 ways as a sum of consecutive naturals, for example, 78063 + ... + 78093.

It is an arithmetic number, because the mean of its divisors is an integer number (70272).

2^2420418 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2420418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3373056).

2420418 is an abundant number, since it is smaller than the sum of its proper divisors (4325694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2420418 is a wasteful number, since it uses less digits than its factorization.

2420418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 2420418 is about 1555.7692630978. The cubic root of 2420418 is about 134.2651984222.

The spelling of 2420418 in words is "two million, four hundred twenty thousand, four hundred eighteen".