886642 has 8 divisors (see below), whose sum is σ = 1337436. Its totient is φ = 440832.

The previous prime is 886619. The next prime is 886643. The reversal of 886642 is 246688.

It can be written as a sum of positive squares in 2 ways, for example, as 866761 + 19881 = 931^2 + 141^2 .

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

It is a super-2 number, since 2×886642² = 1572268072328, which contains 22 as substring.

It is a nialpdrome in base 10 and base 16.

It is a junction number, because it is equal to n+sod(n) for n = 886598 and 886607.

It is not an unprimeable number, because it can be changed into a prime (886643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 763 + ... + 1534.

2⁸⁸⁶⁶⁴² is an apocalyptic number.

886642 is a deficient number, since it is larger than the sum of its proper divisors (450794).

886642 is a wasteful number, since it uses less digits than its factorization.

886642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2492.

The product of its digits is 18432, while the sum is 34.

The square root of 886642 is about 941.6166948393. The cubic root of 886642 is about 96.0688886331.

The spelling of 886642 in words is "eight hundred eighty-six thousand, six hundred forty-two".