3684388212 has 36 divisors (see below), whose sum is σ = 9318525216. Its totient is φ = 1227442320.

The previous prime is 3684388199. The next prime is 3684388217. The reversal of 3684388212 is 2128834863.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3684388217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38787 + ... + 94197.

Almost surely, 2^3684388212 is an apocalyptic number.

It is an amenable number.

3684388212 is an abundant number, since it is smaller than the sum of its proper divisors (5634137004).

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

3684388212 is a wasteful number, since it uses less digits than its factorization.

3684388212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57268 (or 57263 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The square root of 3684388212 is about 60699.1615428088. The cubic root of 3684388212 is about 1544.5019515088.

The spelling of 3684388212 in words is "three billion, six hundred eighty-four million, three hundred eighty-eight thousand, two hundred twelve".