887540 has 24 divisors (see below), whose sum is σ = 1881600. Its totient is φ = 351648.

The previous prime is 887533. The next prime is 887543. The reversal of 887540 is 45788.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 887497 and 887506.

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 887540.

It is not an unprimeable number, because it can be changed into a prime (887543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3869 + ... + 4091.

It is an arithmetic number, because the mean of its divisors is an integer number (78400).

2⁸⁸⁷⁵⁴⁰ is an apocalyptic number.

It is an amenable number.

887540 is an abundant number, since it is smaller than the sum of its proper divisors (994060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

887540 is a wasteful number, since it uses less digits than its factorization.

887540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431 (or 429 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 887540 is about 942.0934136273. The cubic root of 887540 is about 96.1013108709.

The spelling of 887540 in words is "eight hundred eighty-seven thousand, five hundred forty".