36946817 has 2 divisors, whose sum is σ = 36946818. Its totient is φ = 36946816.

The previous prime is 36946807. The next prime is 36946843. The reversal of 36946817 is 71864963.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28472896 + 8473921 = 5336^2 + 2911^2 .

It is an emirp because it is prime and its reverse (71864963) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36946817 - 2⁴ = 36946801 is a prime.

It is not a weakly prime, because it can be changed into another prime (36946807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18473408 + 18473409.

It is an arithmetic number, because the mean of its divisors is an integer number (18473409).

Almost surely, 2^36946817 is an apocalyptic number.

It is an amenable number.

36946817 is a deficient number, since it is larger than the sum of its proper divisors (1).

36946817 is an equidigital number, since it uses as much as digits as its factorization.

36946817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 44.

The square root of 36946817 is about 6078.3893425808. The cubic root of 36946817 is about 333.0624531536.

The spelling of 36946817 in words is "thirty-six million, nine hundred forty-six thousand, eight hundred seventeen".