36238913 has 4 divisors (see below), whose sum is σ = 36262320. Its totient is φ = 36215508.

The previous prime is 36238889. The next prime is 36238919. The reversal of 36238913 is 31983263.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 36238913 - 2¹⁰ = 36237889 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (36238919) 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 in 3 ways as a sum of consecutive naturals, for example, 9203 + ... + 12536.

It is an arithmetic number, because the mean of its divisors is an integer number (9065580).

Almost surely, 2^36238913 is an apocalyptic number.

It is an amenable number.

36238913 is a deficient number, since it is larger than the sum of its proper divisors (23407).

36238913 is a wasteful number, since it uses less digits than its factorization.

36238913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23406.

The product of its digits is 23328, while the sum is 35.

The square root of 36238913 is about 6019.8764937497. The cubic root of 36238913 is about 330.9215532585.

The spelling of 36238913 in words is "thirty-six million, two hundred thirty-eight thousand, nine hundred thirteen".