3886239 has 12 divisors (see below), whose sum is σ = 6027864. Its totient is φ = 2220624.

The previous prime is 3886237. The next prime is 3886273. The reversal of 3886239 is 9326883.

It is not a de Polignac number, because 3886239 - 2¹ = 3886237 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 3886197 and 3886206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3886231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13072 + ... + 13365.

It is an arithmetic number, because the mean of its divisors is an integer number (502322).

Almost surely, 2^3886239 is an apocalyptic number.

3886239 is a deficient number, since it is larger than the sum of its proper divisors (2141625).

3886239 is a wasteful number, since it uses less digits than its factorization.

3886239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26454 (or 26447 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 3886239 is about 1971.3546104139. The cubic root of 3886239 is about 157.2207397094.

The spelling of 3886239 in words is "three million, eight hundred eighty-six thousand, two hundred thirty-nine".