36609018 has 16 divisors (see below), whose sum is σ = 73549056. Its totient is φ = 12147840.

The previous prime is 36609011. The next prime is 36609019. The reversal of 36609018 is 81090663.

It is a self number, because there is not a number n which added to its sum of digits gives 36609018.

It is not an unprimeable number, because it can be changed into a prime (36609011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12343 + ... + 15018.

It is an arithmetic number, because the mean of its divisors is an integer number (4596816).

Almost surely, 2^36609018 is an apocalyptic number.

36609018 is an abundant number, since it is smaller than the sum of its proper divisors (36940038).

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

36609018 is a wasteful number, since it uses less digits than its factorization.

36609018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27589.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 36609018 is about 6050.5386537068. The cubic root of 36609018 is about 332.0442978101.

The spelling of 36609018 in words is "thirty-six million, six hundred nine thousand, eighteen".