887861 has 8 divisors (see below), whose sum is σ = 964320. Its totient is φ = 812592.

The previous prime is 887849. The next prime is 887867. The reversal of 887861 is 168788.

887861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 887861 - 2¹⁴ = 871477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (887867) 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, 1910 + ... + 2328.

It is an arithmetic number, because the mean of its divisors is an integer number (120540).

2⁸⁸⁷⁸⁶¹ is an apocalyptic number.

It is an amenable number.

887861 is a deficient number, since it is larger than the sum of its proper divisors (76459).

887861 is a wasteful number, since it uses less digits than its factorization.

887861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595.

The product of its digits is 21504, while the sum is 38.

The square root of 887861 is about 942.2637634972. The cubic root of 887861 is about 96.1128952512.

The spelling of 887861 in words is "eight hundred eighty-seven thousand, eight hundred sixty-one".