887445 has 48 divisors (see below), whose sum is σ = 1742832. Its totient is φ = 414720.

The previous prime is 887441. The next prime is 887449. The reversal of 887445 is 544788.

887445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (887441) and next prime (887449).

It can be written as a sum of positive squares in 8 ways, for example, as 88209 + 799236 = 297^2 + 894^2 .

It is not a de Polignac number, because 887445 - 2² = 887441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (887441) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21625 + ... + 21665.

It is an arithmetic number, because the mean of its divisors is an integer number (36309).

2⁸⁸⁷⁴⁴⁵ is an apocalyptic number.

It is an amenable number.

887445 is a deficient number, since it is larger than the sum of its proper divisors (855387).

887445 is a wasteful number, since it uses less digits than its factorization.

887445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102 (or 99 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 887445 is about 942.0429926495. The cubic root of 887445 is about 96.0978819361.

The spelling of 887445 in words is "eight hundred eighty-seven thousand, four hundred forty-five".