4138458 has 16 divisors (see below), whose sum is σ = 8479296. Its totient is φ = 1345760.

The previous prime is 4138451. The next prime is 4138483. The reversal of 4138458 is 8548314.

It is not an unprimeable number, because it can be changed into a prime (4138451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8166 + ... + 8657.

It is an arithmetic number, because the mean of its divisors is an integer number (529956).

Almost surely, 2^4138458 is an apocalyptic number.

4138458 is an abundant number, since it is smaller than the sum of its proper divisors (4340838).

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

4138458 is a wasteful number, since it uses less digits than its factorization.

4138458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16869.

The product of its digits is 15360, while the sum is 33.

The square root of 4138458 is about 2034.3200338197. The cubic root of 4138458 is about 160.5509392762.

The spelling of 4138458 in words is "four million, one hundred thirty-eight thousand, four hundred fifty-eight".