3886443 has 24 divisors (see below), whose sum is σ = 6295536. Its totient is φ = 2289600.

The previous prime is 3886433. The next prime is 3886453. The reversal of 3886443 is 3446883.

3886443 is a `hidden beast` number, since 3 + 8 + 8 + 644 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (3886433) and next prime (3886453).

It is not a de Polignac number, because 3886443 - 2⁸ = 3886187 is a prime.

3886443 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3886398 and 3886407.

It is not an unprimeable number, because it can be changed into a prime (3886403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3133 + ... + 4193.

It is an arithmetic number, because the mean of its divisors is an integer number (262314).

Almost surely, 2^3886443 is an apocalyptic number.

3886443 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

3886443 is a deficient number, since it is larger than the sum of its proper divisors (2409093).

3886443 is a wasteful number, since it uses less digits than its factorization.

3886443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115 (or 1112 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 3886443 is about 1971.4063508064. The cubic root of 3886443 is about 157.2234906527.

It can be divided in two parts, 3 and 886443, that added together give a triangular number (886446 = T₁₃₃₁).

The spelling of 3886443 in words is "three million, eight hundred eighty-six thousand, four hundred forty-three".