36194989 has 8 divisors (see below), whose sum is σ = 38606328. Its totient is φ = 33815040.

The previous prime is 36194971. The next prime is 36195001. The reversal of 36194989 is 98949163.

It can be written as a sum of positive squares in 4 ways, for example, as 16240900 + 19954089 = 4030^2 + 4467^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 36194989 - 2⁵ = 36194957 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 (36194909) 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 7 ways as a sum of consecutive naturals, for example, 5442 + ... + 10099.

It is an arithmetic number, because the mean of its divisors is an integer number (4825791).

Almost surely, 2^36194989 is an apocalyptic number.

It is an amenable number.

36194989 is a deficient number, since it is larger than the sum of its proper divisors (2411339).

36194989 is a wasteful number, since it uses less digits than its factorization.

36194989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15695.

The product of its digits is 419904, while the sum is 49.

The square root of 36194989 is about 6016.2271399940. The cubic root of 36194989 is about 330.7877994776.

The spelling of 36194989 in words is "thirty-six million, one hundred ninety-four thousand, nine hundred eighty-nine".