5138438 has 8 divisors (see below), whose sum is σ = 7737120. Its totient is φ = 2559400.

The previous prime is 5138387. The next prime is 5138443. The reversal of 5138438 is 8348315.

It is a happy number.

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

It is a congruent number.

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, 4238 + ... + 5313.

It is an arithmetic number, because the mean of its divisors is an integer number (967140).

Almost surely, 2^5138438 is an apocalyptic number.

5138438 is a deficient number, since it is larger than the sum of its proper divisors (2598682).

5138438 is a wasteful number, since it uses less digits than its factorization.

5138438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9822.

The product of its digits is 11520, while the sum is 32.

The square root of 5138438 is about 2266.8122992431. The cubic root of 5138438 is about 172.5614204021.

The spelling of 5138438 in words is "five million, one hundred thirty-eight thousand, four hundred thirty-eight".