3888520 has 16 divisors (see below), whose sum is σ = 8749260. Its totient is φ = 1555392.

The previous prime is 3888517. The next prime is 3888527. The reversal of 3888520 is 258883.

It is a happy number.

3888520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3833764 + 54756 = 1958^2 + 234^2 .

It is not an unprimeable number, because it can be changed into a prime (3888527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48567 + ... + 48646.

Almost surely, 2^3888520 is an apocalyptic number.

It is an amenable number.

3888520 is an abundant number, since it is smaller than the sum of its proper divisors (4860740).

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

3888520 is a wasteful number, since it uses less digits than its factorization.

3888520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97224 (or 97220 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 3888520 is about 1971.9330617442. The cubic root of 3888520 is about 157.2514935536.

The spelling of 3888520 in words is "three million, eight hundred eighty-eight thousand, five hundred twenty".