4138634 has 8 divisors (see below), whose sum is σ = 6219840. Its totient is φ = 2065356.

The previous prime is 4138627. The next prime is 4138649. The reversal of 4138634 is 4368314.

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

It is a junction number, because it is equal to n+sod(n) for n = 4138597 and 4138606.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 434 + ... + 2909.

It is an arithmetic number, because the mean of its divisors is an integer number (777480).

Almost surely, 2^4138634 is an apocalyptic number.

4138634 is a deficient number, since it is larger than the sum of its proper divisors (2081206).

4138634 is a wasteful number, since it uses less digits than its factorization.

4138634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3964.

The product of its digits is 6912, while the sum is 29.

The square root of 4138634 is about 2034.3632910569. The cubic root of 4138634 is about 160.5532152096.

The spelling of 4138634 in words is "four million, one hundred thirty-eight thousand, six hundred thirty-four".