4138346 has 8 divisors (see below), whose sum is σ = 6324804. Its totient is φ = 2030080.

The previous prime is 4138331. The next prime is 4138349. The reversal of 4138346 is 6438314.

It can be written as a sum of positive squares in 2 ways, for example, as 3568321 + 570025 = 1889^2 + 755^2 .

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

It is an Ulam number.

It is a Curzon number.

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 3 ways as a sum of consecutive naturals, for example, 19415 + ... + 19626.

Almost surely, 2^4138346 is an apocalyptic number.

4138346 is a deficient number, since it is larger than the sum of its proper divisors (2186458).

4138346 is a wasteful number, since it uses less digits than its factorization.

4138346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39096.

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

The square root of 4138346 is about 2034.2925060079. The cubic root of 4138346 is about 160.5494909213.

Subtracting 4138346 from its reverse (6438314), we obtain a cube (2299968 = 132³).

The spelling of 4138346 in words is "four million, one hundred thirty-eight thousand, three hundred forty-six".