4457118 has 24 divisors (see below), whose sum is σ = 9222984. Its totient is φ = 1435920.

The previous prime is 4457113. The next prime is 4457129. The reversal of 4457118 is 8117544.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4457113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5380 + ... + 6152.

It is an arithmetic number, because the mean of its divisors is an integer number (384291).

Almost surely, 2^4457118 is an apocalyptic number.

4457118 is an abundant number, since it is smaller than the sum of its proper divisors (4765866).

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

4457118 is a wasteful number, since it uses less digits than its factorization.

4457118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840 (or 809 counting only the distinct ones).

The product of its digits is 4480, while the sum is 30.

The square root of 4457118 is about 2111.1887646537. The cubic root of 4457118 is about 164.5702683571.

The spelling of 4457118 in words is "four million, four hundred fifty-seven thousand, one hundred eighteen".