5138893 has 4 divisors (see below), whose sum is σ = 5277820. Its totient is φ = 4999968.

The previous prime is 5138891. The next prime is 5138923. The reversal of 5138893 is 3988315.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1800964 + 3337929 = 1342^2 + 1827^2 .

It is a cyclic number.

It is not a de Polignac number, because 5138893 - 2¹ = 5138891 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 138889 = 5138893 / (5 + 1 + 3 + 8 + 8 + 9 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5138891) 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, 69408 + ... + 69481.

It is an arithmetic number, because the mean of its divisors is an integer number (1319455).

Almost surely, 2^5138893 is an apocalyptic number.

It is an amenable number.

5138893 is a deficient number, since it is larger than the sum of its proper divisors (138927).

5138893 is a wasteful number, since it uses less digits than its factorization.

5138893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138926.

The product of its digits is 25920, while the sum is 37.

The square root of 5138893 is about 2266.9126582204. The cubic root of 5138893 is about 172.5665135924.

The spelling of 5138893 in words is "five million, one hundred thirty-eight thousand, eight hundred ninety-three".