5108638 has 4 divisors (see below), whose sum is σ = 7662960. Its totient is φ = 2554318.

The previous prime is 5108591. The next prime is 5108639. The reversal of 5108638 is 8368015.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5108639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277158 + ... + 1277161.

It is an arithmetic number, because the mean of its divisors is an integer number (1915740).

Almost surely, 2^5108638 is an apocalyptic number.

5108638 is a deficient number, since it is larger than the sum of its proper divisors (2554322).

5108638 is a wasteful number, since it uses less digits than its factorization.

5108638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2554321.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 5108638 is about 2260.2296343513. The cubic root of 5108638 is about 172.2271876165.

The spelling of 5108638 in words is "five million, one hundred eight thousand, six hundred thirty-eight".