36801243 has 16 divisors (see below), whose sum is σ = 57728160. Its totient is φ = 23090688.

The previous prime is 36801221. The next prime is 36801251. The reversal of 36801243 is 34210863.

It is a happy number.

36801243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 36801243 - 2⁵ = 36801211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (36801283) 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 15 ways as a sum of consecutive naturals, for example, 39630 + ... + 40547.

It is an arithmetic number, because the mean of its divisors is an integer number (3608010).

Almost surely, 2^36801243 is an apocalyptic number.

36801243 is a deficient number, since it is larger than the sum of its proper divisors (20926917).

36801243 is a wasteful number, since it uses less digits than its factorization.

36801243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80203 (or 80197 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 36801243 is about 6066.4028056172. The cubic root of 36801243 is about 332.6244447217.

The spelling of 36801243 in words is "thirty-six million, eight hundred one thousand, two hundred forty-three".