36786397 has 2 divisors, whose sum is σ = 36786398. Its totient is φ = 36786396.

The previous prime is 36786319. The next prime is 36786403. The reversal of 36786397 is 79368763.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33304441 + 3481956 = 5771^2 + 1866^2 .

It is an emirp because it is prime and its reverse (79368763) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36786397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36786397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36786697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18393198 + 18393199.

It is an arithmetic number, because the mean of its divisors is an integer number (18393199).

Almost surely, 2^36786397 is an apocalyptic number.

It is an amenable number.

36786397 is a deficient number, since it is larger than the sum of its proper divisors (1).

36786397 is an equidigital number, since it uses as much as digits as its factorization.

36786397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1143072, while the sum is 49.

The square root of 36786397 is about 6065.1790575382. The cubic root of 36786397 is about 332.5797106649.

The spelling of 36786397 in words is "thirty-six million, seven hundred eighty-six thousand, three hundred ninety-seven".