36391937 has 2 divisors, whose sum is σ = 36391938. Its totient is φ = 36391936.

The previous prime is 36391891. The next prime is 36391961. The reversal of 36391937 is 73919363.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29637136 + 6754801 = 5444^2 + 2599^2 .

It is a cyclic number.

It is not a de Polignac number, because 36391937 - 2¹⁴ = 36375553 is a prime.

It is a super-2 number, since 2×36391937² = 2648746157223938, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 36391894 and 36391903.

It is not a weakly prime, because it can be changed into another prime (36391987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18195968 + 18195969.

It is an arithmetic number, because the mean of its divisors is an integer number (18195969).

Almost surely, 2^36391937 is an apocalyptic number.

It is an amenable number.

36391937 is a deficient number, since it is larger than the sum of its proper divisors (1).

36391937 is an equidigital number, since it uses as much as digits as its factorization.

36391937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 91854, while the sum is 41.

The square root of 36391937 is about 6032.5729999727. The cubic root of 36391937 is about 331.3866870571.

The spelling of 36391937 in words is "thirty-six million, three hundred ninety-one thousand, nine hundred thirty-seven".