36197864 has 8 divisors (see below), whose sum is σ = 67871010. Its totient is φ = 18098928.

The previous prime is 36197851. The next prime is 36197867. The reversal of 36197864 is 46879163.

It can be written as a sum of positive squares in only one way, i.e., 21436900 + 14760964 = 4630^2 + 3842^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (36197867) 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 as a sum of consecutive naturals, namely, 2262359 + ... + 2262374.

Almost surely, 2^36197864 is an apocalyptic number.

It is an amenable number.

36197864 is a deficient number, since it is larger than the sum of its proper divisors (31673146).

36197864 is a wasteful number, since it uses less digits than its factorization.

36197864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4524739 (or 4524735 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 36197864 is about 6016.4660723717. The cubic root of 36197864 is about 330.7965575016.

The spelling of 36197864 in words is "thirty-six million, one hundred ninety-seven thousand, eight hundred sixty-four".