886561 has 8 divisors (see below), whose sum is σ = 975744. Its totient is φ = 800400.

The previous prime is 886549. The next prime is 886583. The reversal of 886561 is 165688.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 886561 - 2⁷ = 886433 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (886511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115 + ... + 1336.

It is an arithmetic number, because the mean of its divisors is an integer number (121968).

2⁸⁸⁶⁵⁶¹ is an apocalyptic number.

It is an amenable number.

886561 is a deficient number, since it is larger than the sum of its proper divisors (89183).

886561 is a wasteful number, since it uses less digits than its factorization.

886561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511.

The product of its digits is 11520, while the sum is 34.

The square root of 886561 is about 941.5736827248. The cubic root of 886561 is about 96.0659630566.

The spelling of 886561 in words is "eight hundred eighty-six thousand, five hundred sixty-one".