3886531 has 4 divisors (see below), whose sum is σ = 4239864. Its totient is φ = 3533200.

The previous prime is 3886481. The next prime is 3886537. The reversal of 3886531 is 1356883.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3886531 - 2⁷ = 3886403 is a prime.

It is a super-2 number, since 2×3886531² = 30210246427922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3886537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176650 + ... + 176671.

It is an arithmetic number, because the mean of its divisors is an integer number (1059966).

Almost surely, 2^3886531 is an apocalyptic number.

3886531 is a deficient number, since it is larger than the sum of its proper divisors (353333).

3886531 is a wasteful number, since it uses less digits than its factorization.

3886531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353332.

The product of its digits is 17280, while the sum is 34.

The square root of 3886531 is about 1971.4286697723. The cubic root of 3886531 is about 157.2246773044.

The spelling of 3886531 in words is "three million, eight hundred eighty-six thousand, five hundred thirty-one".