5138836 has 6 divisors (see below), whose sum is σ = 8992970. Its totient is φ = 2569416.

The previous prime is 5138831. The next prime is 5138849. The reversal of 5138836 is 6388315.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3802500 + 1336336 = 1950^2 + 1156^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5138831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 642351 + ... + 642358.

Almost surely, 2^5138836 is an apocalyptic number.

It is an amenable number.

5138836 is a deficient number, since it is larger than the sum of its proper divisors (3854134).

5138836 is a wasteful number, since it uses less digits than its factorization.

5138836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284713 (or 1284711 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 5138836 is about 2266.9000860206. The cubic root of 5138836 is about 172.5658755609.

The spelling of 5138836 in words is "five million, one hundred thirty-eight thousand, eight hundred thirty-six".