36005387 has 4 divisors (see below), whose sum is σ = 39278616. Its totient is φ = 32732160.

The previous prime is 36005383. The next prime is 36005423. The reversal of 36005387 is 78350063.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78350063 = 11 ⋅7122733.

It is a cyclic number.

It is not a de Polignac number, because 36005387 - 2² = 36005383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36005383) 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 in 3 ways as a sum of consecutive naturals, for example, 1636598 + ... + 1636619.

It is an arithmetic number, because the mean of its divisors is an integer number (9819654).

Almost surely, 2^36005387 is an apocalyptic number.

36005387 is a deficient number, since it is larger than the sum of its proper divisors (3273229).

36005387 is a wasteful number, since it uses less digits than its factorization.

36005387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3273228.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 36005387 is about 6000.4488998741. The cubic root of 36005387 is about 330.2091939588.

The spelling of 36005387 in words is "thirty-six million, five thousand, three hundred eighty-seven".