3886020 has 36 divisors (see below), whose sum is σ = 11788140. Its totient is φ = 1036224.

The previous prime is 3885997. The next prime is 3886027. The reversal of 3886020 is 206883.

It can be written as a sum of positive squares in 2 ways, for example, as 1617984 + 2268036 = 1272^2 + 1506^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3886027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10615 + ... + 10974.

Almost surely, 2^3886020 is an apocalyptic number.

3886020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3886020 is an abundant number, since it is smaller than the sum of its proper divisors (7902120).

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

3886020 is a wasteful number, since it uses less digits than its factorization.

3886020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21604 (or 21599 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 3886020 is about 1971.2990640692. The cubic root of 3886020 is about 157.2177863837.

The spelling of 3886020 in words is "three million, eight hundred eighty-six thousand, twenty".