36923813 has 4 divisors (see below), whose sum is σ = 39095820. Its totient is φ = 34751808.

The previous prime is 36923801. The next prime is 36923833. The reversal of 36923813 is 31832963.

36923813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 31550689 + 5373124 = 5617^2 + 2318^2 .

It is not a de Polignac number, because 36923813 - 2¹⁶ = 36858277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36923833) 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, 1085978 + ... + 1086011.

It is an arithmetic number, because the mean of its divisors is an integer number (9773955).

Almost surely, 2^36923813 is an apocalyptic number.

It is an amenable number.

36923813 is a deficient number, since it is larger than the sum of its proper divisors (2172007).

36923813 is a wasteful number, since it uses less digits than its factorization.

36923813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172006.

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

The square root of 36923813 is about 6076.4967703439. The cubic root of 36923813 is about 332.9933145017.

The spelling of 36923813 in words is "thirty-six million, nine hundred twenty-three thousand, eight hundred thirteen".