36860909 has 2 divisors, whose sum is σ = 36860910. Its totient is φ = 36860908.

The previous prime is 36860869. The next prime is 36860951. The reversal of 36860909 is 90906863.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20884900 + 15976009 = 4570^2 + 3997^2 .

It is an emirp because it is prime and its reverse (90906863) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36860909 - 2¹⁶ = 36795373 is a prime.

It is a super-2 number, since 2×36860909² = 2717453224612562, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36860959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18430454 + 18430455.

It is an arithmetic number, because the mean of its divisors is an integer number (18430455).

Almost surely, 2^36860909 is an apocalyptic number.

It is an amenable number.

36860909 is a deficient number, since it is larger than the sum of its proper divisors (1).

36860909 is an equidigital number, since it uses as much as digits as its factorization.

36860909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 36860909 is about 6071.3185553058. The cubic root of 36860909 is about 332.8041094331.

The spelling of 36860909 in words is "thirty-six million, eight hundred sixty thousand, nine hundred nine".