2421118 has 32 divisors (see below), whose sum is σ = 4432896. Its totient is φ = 969408.

The previous prime is 2421109. The next prime is 2421119. The reversal of 2421118 is 8111242.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2421095 and 2421104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421119) 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 15 ways as a sum of consecutive naturals, for example, 23455 + ... + 23557.

It is an arithmetic number, because the mean of its divisors is an integer number (138528).

2^2421118 is an apocalyptic number.

2421118 is a deficient number, since it is larger than the sum of its proper divisors (2011778).

2421118 is a wasteful number, since it uses less digits than its factorization.

2421118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208.

The product of its digits is 128, while the sum is 19.

The square root of 2421118 is about 1555.9942159276. The cubic root of 2421118 is about 134.2781406192.

The spelling of 2421118 in words is "two million, four hundred twenty-one thousand, one hundred eighteen".