4623218 has 8 divisors (see below), whose sum is σ = 7342812. Its totient is φ = 2175616.

The previous prime is 4623217. The next prime is 4623239. The reversal of 4623218 is 8123264.

It can be written as a sum of positive squares in 2 ways, for example, as 3988009 + 635209 = 1997^2 + 797^2 .

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

It is not an unprimeable number, because it can be changed into a prime (4623211) 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 3 ways as a sum of consecutive naturals, for example, 67955 + ... + 68022.

Almost surely, 2^4623218 is an apocalyptic number.

4623218 is a deficient number, since it is larger than the sum of its proper divisors (2719594).

4623218 is a wasteful number, since it uses less digits than its factorization.

4623218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135996.

The product of its digits is 2304, while the sum is 26.

The square root of 4623218 is about 2150.1669702607. The cubic root of 4623218 is about 166.5896915656.

The spelling of 4623218 in words is "four million, six hundred twenty-three thousand, two hundred eighteen".