4138345 has 8 divisors (see below), whose sum is σ = 5126400. Its totient is φ = 3203760.

The previous prime is 4138331. The next prime is 4138349. The reversal of 4138345 is 5438314.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4138345 - 2⁷ = 4138217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4138349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13195 + ... + 13504.

It is an arithmetic number, because the mean of its divisors is an integer number (640800).

Almost surely, 2^4138345 is an apocalyptic number.

It is an amenable number.

4138345 is a deficient number, since it is larger than the sum of its proper divisors (988055).

4138345 is a wasteful number, since it uses less digits than its factorization.

4138345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26735.

The product of its digits is 5760, while the sum is 28.

The square root of 4138345 is about 2034.2922602222. The cubic root of 4138345 is about 160.5494779894.

The spelling of 4138345 in words is "four million, one hundred thirty-eight thousand, three hundred forty-five".