3685020216 has 16 divisors (see below), whose sum is σ = 9212550600. Its totient is φ = 1228340064.

The previous prime is 3685020211. The next prime is 3685020223. The reversal of 3685020216 is 6120205863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3685020211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76771231 + ... + 76771278.

Almost surely, 2^3685020216 is an apocalyptic number.

It is an amenable number.

3685020216 is an abundant number, since it is smaller than the sum of its proper divisors (5527530384).

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

3685020216 is a wasteful number, since it uses less digits than its factorization.

3685020216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153542518 (or 153542514 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 3685020216 is about 60704.3673552406. The cubic root of 3685020216 is about 1544.5902588520.

The spelling of 3685020216 in words is "three billion, six hundred eighty-five million, twenty thousand, two hundred sixteen".