36239243 has 4 divisors (see below), whose sum is σ = 37218720. Its totient is φ = 35259768.

The previous prime is 36239233. The next prime is 36239249. The reversal of 36239243 is 34293263.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34293263 = 937 ⋅36599.

It is a cyclic number.

It is not a de Polignac number, because 36239243 - 2¹⁸ = 35977099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36239249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 489683 + ... + 489756.

It is an arithmetic number, because the mean of its divisors is an integer number (9304680).

Almost surely, 2^36239243 is an apocalyptic number.

36239243 is a deficient number, since it is larger than the sum of its proper divisors (979477).

36239243 is an equidigital number, since it uses as much as digits as its factorization.

36239243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979476.

The product of its digits is 23328, while the sum is 32.

The square root of 36239243 is about 6019.9039028875. The cubic root of 36239243 is about 330.9225577384.

The spelling of 36239243 in words is "thirty-six million, two hundred thirty-nine thousand, two hundred forty-three".