887645 has 8 divisors (see below), whose sum is σ = 1162080. Its totient is φ = 645520.

The previous prime is 887641. The next prime is 887651. The reversal of 887645 is 546788.

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

It is not a de Polignac number, because 887645 - 2² = 887641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 887599 and 887608.

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 887645.

It is not an unprimeable number, because it can be changed into a prime (887641) 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, 8015 + ... + 8124.

It is an arithmetic number, because the mean of its divisors is an integer number (145260).

2⁸⁸⁷⁶⁴⁵ is an apocalyptic number.

It is an amenable number.

887645 is a deficient number, since it is larger than the sum of its proper divisors (274435).

887645 is a wasteful number, since it uses less digits than its factorization.

887645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16155.

The product of its digits is 53760, while the sum is 38.

The square root of 887645 is about 942.1491389371. The cubic root of 887645 is about 96.1051004615.

The spelling of 887645 in words is "eight hundred eighty-seven thousand, six hundred forty-five".