4618458 has 96 divisors (see below), whose sum is σ = 12108096. Its totient is φ = 1306368.

The previous prime is 4618447. The next prime is 4618459. The reversal of 4618458 is 8548164.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (4618459) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 107385 + ... + 107427.

It is an arithmetic number, because the mean of its divisors is an integer number (126126).

Almost surely, 2^4618458 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4618458, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6054048).

4618458 is an abundant number, since it is smaller than the sum of its proper divisors (7489638).

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

4618458 is a wasteful number, since it uses less digits than its factorization.

4618458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90 (or 78 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 4618458 is about 2149.0597944217. The cubic root of 4618458 is about 166.5324991345.

The spelling of 4618458 in words is "four million, six hundred eighteen thousand, four hundred fifty-eight".