36191008 has 36 divisors (see below), whose sum is σ = 82887462. Its totient is φ = 15509760.

The previous prime is 36191003. The next prime is 36191009. The reversal of 36191008 is 80019163.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 31047184 + 5143824 = 5572^2 + 2268^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (36191003) 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, 9973 + ... + 13108.

Almost surely, 2^36191008 is an apocalyptic number.

It is an amenable number.

36191008 is an abundant number, since it is smaller than the sum of its proper divisors (46696454).

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

36191008 is a wasteful number, since it uses less digits than its factorization.

36191008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23105 (or 23090 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 36191008 is about 6015.8962757016. The cubic root of 36191008 is about 330.7756715141.

The spelling of 36191008 in words is "thirty-six million, one hundred ninety-one thousand, eight".