36493987 has 2 divisors, whose sum is σ = 36493988. Its totient is φ = 36493986.

The previous prime is 36493981. The next prime is 36493997. The reversal of 36493987 is 78939463.

36493987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36493987 - 2³ = 36493979 is a prime.

It is a super-2 number, since 2×36493987² = 2663622174312338, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 36493987.

It is not a weakly prime, because it can be changed into another prime (36493981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18246993 + 18246994.

It is an arithmetic number, because the mean of its divisors is an integer number (18246994).

Almost surely, 2^36493987 is an apocalyptic number.

36493987 is a deficient number, since it is larger than the sum of its proper divisors (1).

36493987 is an equidigital number, since it uses as much as digits as its factorization.

36493987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 49.

The square root of 36493987 is about 6041.0253268795. The cubic root of 36493987 is about 331.6961553314.

The spelling of 36493987 in words is "thirty-six million, four hundred ninety-three thousand, nine hundred eighty-seven".