36198973 has 4 divisors (see below), whose sum is σ = 36211068. Its totient is φ = 36186880.

The previous prime is 36198959. The next prime is 36198997. The reversal of 36198973 is 37989163.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 11168964 + 25030009 = 3342^2 + 5003^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36198973 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 (36198373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2115 + ... + 8767.

It is an arithmetic number, because the mean of its divisors is an integer number (9052767).

Almost surely, 2^36198973 is an apocalyptic number.

It is an amenable number.

36198973 is a deficient number, since it is larger than the sum of its proper divisors (12095).

36198973 is an equidigital number, since it uses as much as digits as its factorization.

36198973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12094.

The product of its digits is 244944, while the sum is 46.

The square root of 36198973 is about 6016.5582354034. The cubic root of 36198973 is about 330.7999356902.

The spelling of 36198973 in words is "thirty-six million, one hundred ninety-eight thousand, nine hundred seventy-three".