36648863 has 4 divisors (see below), whose sum is σ = 36779568. Its totient is φ = 36518160.

The previous prime is 36648841. The next prime is 36648869. The reversal of 36648863 is 36884663.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36884663 = 23 ⋅1603681.

It is a cyclic number.

It is not a de Polignac number, because 36648863 - 2⁸ = 36648607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36648869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64931 + ... + 65492.

It is an arithmetic number, because the mean of its divisors is an integer number (9194892).

Almost surely, 2^36648863 is an apocalyptic number.

36648863 is a deficient number, since it is larger than the sum of its proper divisors (130705).

36648863 is a wasteful number, since it uses less digits than its factorization.

36648863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130704.

The product of its digits is 497664, while the sum is 44.

The square root of 36648863 is about 6053.8304403080. The cubic root of 36648863 is about 332.1647190319.

The spelling of 36648863 in words is "thirty-six million, six hundred forty-eight thousand, eight hundred sixty-three".