3886388 has 12 divisors (see below), whose sum is σ = 7419552. Its totient is φ = 1766520.

The previous prime is 3886361. The next prime is 3886391. The reversal of 3886388 is 8836883.

It is a happy number.

It is a super-3 number, since 3×3886388³ (a number of 21 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 88327 = 3886388 / (3 + 8 + 8 + 6 + 3 + 8 + 8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44120 + ... + 44207.

It is an arithmetic number, because the mean of its divisors is an integer number (618296).

Almost surely, 2^3886388 is an apocalyptic number.

It is an amenable number.

3886388 is a deficient number, since it is larger than the sum of its proper divisors (3533164).

3886388 is a wasteful number, since it uses less digits than its factorization.

3886388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88342 (or 88340 counting only the distinct ones).

The product of its digits is 221184, while the sum is 44.

The square root of 3886388 is about 1971.3924013245. The cubic root of 3886388 is about 157.2227489863. Note that the first 3 decimals are identical.

It can be divided in two parts, 388 and 6388, that added together give a palindrome (6776).

The spelling of 3886388 in words is "three million, eight hundred eighty-six thousand, three hundred eighty-eight".