36191268 has 18 divisors (see below), whose sum is σ = 91483574. Its totient is φ = 12063744.

The previous prime is 36191263. The next prime is 36191279. The reversal of 36191268 is 86219163.

It can be written as a sum of positive squares in only one way, i.e., 28965924 + 7225344 = 5382^2 + 2688^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1005313 = 36191268 / (3 + 6 + 1 + 9 + 1 + 2 + 6 + 8).

It is not an unprimeable number, because it can be changed into a prime (36191263) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 502621 + ... + 502692.

Almost surely, 2^36191268 is an apocalyptic number.

It is an amenable number.

36191268 is an abundant number, since it is smaller than the sum of its proper divisors (55292306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36191268 is a wasteful number, since it uses less digits than its factorization.

36191268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005323 (or 1005318 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 36191268 is about 6015.9178850779. The cubic root of 36191268 is about 330.7764636213.

The spelling of 36191268 in words is "thirty-six million, one hundred ninety-one thousand, two hundred sixty-eight".