3855560620 has 24 divisors (see below), whose sum is σ = 8101692144. Its totient is φ = 1541269056.

The previous prime is 3855560609. The next prime is 3855560629. The reversal of 3855560620 is 260655583.

It is not an unprimeable number, because it can be changed into a prime (3855560629) 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, 26142 + ... + 91621.

It is an arithmetic number, because the mean of its divisors is an integer number (337570506).

Almost surely, 2^3855560620 is an apocalyptic number.

It is an amenable number.

3855560620 is an abundant number, since it is smaller than the sum of its proper divisors (4246131524).

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

3855560620 is a wasteful number, since it uses less digits than its factorization.

3855560620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119409 (or 119407 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 40.

The square root of 3855560620 is about 62093.1608150205. The cubic root of 3855560620 is about 1568.0594060470.

The spelling of 3855560620 in words is "three billion, eight hundred fifty-five million, five hundred sixty thousand, six hundred twenty".