36844987 has 2 divisors, whose sum is σ = 36844988. Its totient is φ = 36844986.

The previous prime is 36844981. The next prime is 36844991. The reversal of 36844987 is 78944863.

It is a strong prime.

It is an emirp because it is prime and its reverse (78944863) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36844987 - 2¹⁹ = 36320699 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36844987.

It is not a weakly prime, because it can be changed into another prime (36844981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18422493 + 18422494.

It is an arithmetic number, because the mean of its divisors is an integer number (18422494).

Almost surely, 2^36844987 is an apocalyptic number.

36844987 is a deficient number, since it is larger than the sum of its proper divisors (1).

36844987 is an equidigital number, since it uses as much as digits as its factorization.

36844987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1161216, while the sum is 49.

The square root of 36844987 is about 6070.0071663879. The cubic root of 36844987 is about 332.7561844966.

The spelling of 36844987 in words is "thirty-six million, eight hundred forty-four thousand, nine hundred eighty-seven".