4936538 has 4 divisors (see below), whose sum is σ = 7404810. Its totient is φ = 2468268.

The previous prime is 4936537. The next prime is 4936543. The reversal of 4936538 is 8356394.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8356394 = 2 ⋅4178197.

It can be written as a sum of positive squares in only one way, i.e., 2900209 + 2036329 = 1703^2 + 1427^2 .

It is not an unprimeable number, because it can be changed into a prime (4936531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1234133 + ... + 1234136.

Almost surely, 2^4936538 is an apocalyptic number.

4936538 is a deficient number, since it is larger than the sum of its proper divisors (2468272).

4936538 is a wasteful number, since it uses less digits than its factorization.

4936538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2468271.

The product of its digits is 77760, while the sum is 38.

The square root of 4936538 is about 2221.8321268719. The cubic root of 4936538 is about 170.2710554768.

The spelling of 4936538 in words is "four million, nine hundred thirty-six thousand, five hundred thirty-eight".