36806197 has 4 divisors (see below), whose sum is σ = 36818496. Its totient is φ = 36793900.

The previous prime is 36806177. The next prime is 36806201. The reversal of 36806197 is 79160863.

36806197 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 79160863 = 239 ⋅331217.

It is a cyclic number.

It is not a de Polignac number, because 36806197 - 2¹⁹ = 36281909 is a prime.

It is a super-2 number, since 2×36806197² = 2709392275205618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36806137) 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, 1572 + ... + 8722.

It is an arithmetic number, because the mean of its divisors is an integer number (9204624).

Almost surely, 2^36806197 is an apocalyptic number.

It is an amenable number.

36806197 is a deficient number, since it is larger than the sum of its proper divisors (12299).

36806197 is an equidigital number, since it uses as much as digits as its factorization.

36806197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12298.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 36806197 is about 6066.8111063391. The cubic root of 36806197 is about 332.6393694673.

The spelling of 36806197 in words is "thirty-six million, eight hundred six thousand, one hundred ninety-seven".