886989 has 4 divisors (see below), whose sum is σ = 1182656. Its totient is φ = 591324.

The previous prime is 886987. The next prime is 886993. The reversal of 886989 is 989688.

886989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 886989 - 2¹ = 886987 is a prime.

It is a super-2 number, since 2×886989² = 1573498972242, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

886989 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 886989.

It is not an unprimeable number, because it can be changed into a prime (886981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147829 + ... + 147834.

It is an arithmetic number, because the mean of its divisors is an integer number (295664).

2⁸⁸⁶⁹⁸⁹ is an apocalyptic number.

It is an amenable number.

886989 is a deficient number, since it is larger than the sum of its proper divisors (295667).

886989 is a wasteful number, since it uses less digits than its factorization.

886989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295666.

The product of its digits is 248832, while the sum is 48.

The square root of 886989 is about 941.8009343805. The cubic root of 886989 is about 96.0814196420.

The spelling of 886989 in words is "eight hundred eighty-six thousand, nine hundred eighty-nine".