36840018 has 16 divisors (see below), whose sum is σ = 74440800. Its totient is φ = 12153216.

The previous prime is 36840007. The next prime is 36840019. The reversal of 36840018 is 81004863.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (36840019) 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, 31068 + ... + 32231.

It is an arithmetic number, because the mean of its divisors is an integer number (4652550).

Almost surely, 2^36840018 is an apocalyptic number.

36840018 is an abundant number, since it is smaller than the sum of its proper divisors (37600782).

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

36840018 is a wasteful number, since it uses less digits than its factorization.

36840018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63401.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 36840018 is about 6069.5978449976. The cubic root of 36840018 is about 332.7412250684.

The spelling of 36840018 in words is "thirty-six million, eight hundred forty thousand, eighteen".