987507 has 12 divisors (see below), whose sum is σ = 1440504. Its totient is φ = 651840.

The previous prime is 987491. The next prime is 987509. The reversal of 987507 is 705789.

It is not a de Polignac number, because 987507 - 2⁴ = 987491 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 987507.

It is not an unprimeable number, because it can be changed into a prime (987509) 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 11 ways as a sum of consecutive naturals, for example, 532 + ... + 1502.

It is an arithmetic number, because the mean of its divisors is an integer number (120042).

2⁹⁸⁷⁵⁰⁷ is an apocalyptic number.

987507 is a deficient number, since it is larger than the sum of its proper divisors (452997).

987507 is a wasteful number, since it uses less digits than its factorization.

987507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090 (or 1087 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The square root of 987507 is about 993.7338677936. The cubic root of 987507 is about 99.5818203622.

The spelling of 987507 in words is "nine hundred eighty-seven thousand, five hundred seven".