3855980 has 12 divisors (see below), whose sum is σ = 8097600. Its totient is φ = 1542384.

The previous prime is 3855979. The next prime is 3855983. The reversal of 3855980 is 895583.

It is not an unprimeable number, because it can be changed into a prime (3855983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96380 + ... + 96419.

It is an arithmetic number, because the mean of its divisors is an integer number (674800).

Almost surely, 2^3855980 is an apocalyptic number.

It is an amenable number.

3855980 is an abundant number, since it is smaller than the sum of its proper divisors (4241620).

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

3855980 is a wasteful number, since it uses less digits than its factorization.

3855980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192808 (or 192806 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 3855980 is about 1963.6649408695. The cubic root of 3855980 is about 156.8116258040.

The spelling of 3855980 in words is "three million, eight hundred fifty-five thousand, nine hundred eighty".