887969 has 4 divisors (see below), whose sum is σ = 891540. Its totient is φ = 884400.

The previous prime is 887947. The next prime is 887987. The reversal of 887969 is 969788.

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

It can be written as a sum of positive squares in 2 ways, for example, as 113569 + 774400 = 337^2 + 880^2 .

It is a cyclic number.

It is not a de Polignac number, because 887969 - 2¹⁶ = 822433 is a prime.

It is a super-2 number, since 2×887969² = 1576977889922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (887989) 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, 1382 + ... + 1919.

It is an arithmetic number, because the mean of its divisors is an integer number (222885).

2⁸⁸⁷⁹⁶⁹ is an apocalyptic number.

It is an amenable number.

887969 is a deficient number, since it is larger than the sum of its proper divisors (3571).

887969 is a wasteful number, since it uses less digits than its factorization.

887969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3570.

The product of its digits is 217728, while the sum is 47.

The square root of 887969 is about 942.3210705487. The cubic root of 887969 is about 96.1167921719.

The spelling of 887969 in words is "eight hundred eighty-seven thousand, nine hundred sixty-nine".