3887530 has 16 divisors (see below), whose sum is σ = 7113384. Its totient is φ = 1529280.

The previous prime is 3887519. The next prime is 3887531. The reversal of 3887530 is 357883.

It can be written as a sum of positive squares in 4 ways, for example, as 2692881 + 1194649 = 1641^2 + 1093^2 .

It is a super-2 number, since 2×3887530² = 30225779001800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3887531) 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, 2577 + ... + 3796.

Almost surely, 2^3887530 is an apocalyptic number.

3887530 is a deficient number, since it is larger than the sum of its proper divisors (3225854).

3887530 is a wasteful number, since it uses less digits than its factorization.

3887530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6441.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 3887530 is about 1971.6820230453. The cubic root of 3887530 is about 157.2381472426.

The spelling of 3887530 in words is "three million, eight hundred eighty-seven thousand, five hundred thirty".