3869685620 has 24 divisors (see below), whose sum is σ = 8127622944. Its totient is φ = 1547629856.

The previous prime is 3869685601. The next prime is 3869685637. The reversal of 3869685620 is 265869683.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 168467 + ... + 190053.

It is an arithmetic number, because the mean of its divisors is an integer number (338650956).

Almost surely, 2^3869685620 is an apocalyptic number.

It is an amenable number.

3869685620 is an abundant number, since it is smaller than the sum of its proper divisors (4257937324).

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

3869685620 is a wasteful number, since it uses less digits than its factorization.

3869685620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30559 (or 30557 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 53.

The square root of 3869685620 is about 62206.7972170244. The cubic root of 3869685620 is about 1569.9719550889.

The spelling of 3869685620 in words is "three billion, eight hundred sixty-nine million, six hundred eighty-five thousand, six hundred twenty".