4138858 has 12 divisors (see below), whose sum is σ = 6316002. Its totient is φ = 2034120.

The previous prime is 4138853. The next prime is 4138861. The reversal of 4138858 is 8588314.

It can be written as a sum of positive squares in only one way, i.e., 3775249 + 363609 = 1943^2 + 603^2 .

It is not an unprimeable number, because it can be changed into a prime (4138853) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8748 + ... + 9208.

Almost surely, 2^4138858 is an apocalyptic number.

4138858 is a deficient number, since it is larger than the sum of its proper divisors (2177144).

4138858 is an equidigital number, since it uses as much as digits as its factorization.

4138858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597 (or 530 counting only the distinct ones).

The product of its digits is 30720, while the sum is 37.

The square root of 4138858 is about 2034.4183443923. The cubic root of 4138858 is about 160.5561117588.

The spelling of 4138858 in words is "four million, one hundred thirty-eight thousand, eight hundred fifty-eight".