3887755 has 4 divisors (see below), whose sum is σ = 4665312. Its totient is φ = 3110200.

The previous prime is 3887753. The next prime is 3887771. The reversal of 3887755 is 5577883.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5577883 = 307 ⋅18169.

It is not a de Polignac number, because 3887755 - 2¹ = 3887753 is a prime.

It is a super-2 number, since 2×3887755² = 30229277880050, which contains 22 as substring.

It is a Duffinian number.

3887755 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3887753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 388771 + ... + 388780.

It is an arithmetic number, because the mean of its divisors is an integer number (1166328).

Almost surely, 2^3887755 is an apocalyptic number.

3887755 is a deficient number, since it is larger than the sum of its proper divisors (777557).

3887755 is an equidigital number, since it uses as much as digits as its factorization.

3887755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777556.

The product of its digits is 235200, while the sum is 43.

The square root of 3887755 is about 1971.7390801016. The cubic root of 3887755 is about 157.2411806941.

The spelling of 3887755 in words is "three million, eight hundred eighty-seven thousand, seven hundred fifty-five".