4138173 has 24 divisors (see below), whose sum is σ = 6514872. Its totient is φ = 2515968.

The previous prime is 4138153. The next prime is 4138217. The reversal of 4138173 is 3718314.

It can be written as a sum of positive squares in 4 ways, for example, as 887364 + 3250809 = 942^2 + 1803^2 .

It is not a de Polignac number, because 4138173 - 2¹⁰ = 4137149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4138153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13065 + ... + 13377.

It is an arithmetic number, because the mean of its divisors is an integer number (271453).

Almost surely, 2^4138173 is an apocalyptic number.

It is an amenable number.

4138173 is a deficient number, since it is larger than the sum of its proper divisors (2376699).

4138173 is a wasteful number, since it uses less digits than its factorization.

4138173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445 (or 442 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 4138173 is about 2034.2499846381. The cubic root of 4138173 is about 160.5472536789.

The spelling of 4138173 in words is "four million, one hundred thirty-eight thousand, one hundred seventy-three".