3887655 has 8 divisors (see below), whose sum is σ = 6220272. Its totient is φ = 2073408.

The previous prime is 3887641. The next prime is 3887657. The reversal of 3887655 is 5567883.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3887655 - 2⁵ = 3887623 is a prime.

It is a super-2 number, since 2×3887655² = 30227722798050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3887657) 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, 129574 + ... + 129603.

It is an arithmetic number, because the mean of its divisors is an integer number (777534).

Almost surely, 2^3887655 is an apocalyptic number.

3887655 is a deficient number, since it is larger than the sum of its proper divisors (2332617).

3887655 is a wasteful number, since it uses less digits than its factorization.

3887655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259185.

The product of its digits is 201600, while the sum is 42.

The square root of 3887655 is about 1971.7137216138. The cubic root of 3887655 is about 157.2398325079.

The spelling of 3887655 in words is "three million, eight hundred eighty-seven thousand, six hundred fifty-five".