36808931 has 2 divisors, whose sum is σ = 36808932. Its totient is φ = 36808930.

The previous prime is 36808913. The next prime is 36808949. The reversal of 36808931 is 13980863.

Together with previous prime (36808913) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (36808913) and next prime (36808949).

It is a cyclic number.

It is not a de Polignac number, because 36808931 - 2⁶ = 36808867 is a prime.

It is a super-2 number, since 2×36808931² = 2709794802725522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (36808991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18404465 + 18404466.

It is an arithmetic number, because the mean of its divisors is an integer number (18404466).

Almost surely, 2^36808931 is an apocalyptic number.

36808931 is a deficient number, since it is larger than the sum of its proper divisors (1).

36808931 is an equidigital number, since it uses as much as digits as its factorization.

36808931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 36808931 is about 6067.0364264606. The cubic root of 36808931 is about 332.6476055217.

The spelling of 36808931 in words is "thirty-six million, eight hundred eight thousand, nine hundred thirty-one".