987275 has 24 divisors (see below), whose sum is σ = 1365984. Its totient is φ = 704000.

The previous prime is 987251. The next prime is 987293. The reversal of 987275 is 572789.

It is not a de Polignac number, because 987275 - 2⁶ = 987211 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 987275.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9725 + ... + 9825.

It is an arithmetic number, because the mean of its divisors is an integer number (56916).

2⁹⁸⁷²⁷⁵ is an apocalyptic number.

987275 is a deficient number, since it is larger than the sum of its proper divisors (378709).

987275 is a wasteful number, since it uses less digits than its factorization.

987275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151 (or 146 counting only the distinct ones).

The product of its digits is 35280, while the sum is 38.

The square root of 987275 is about 993.6171294820. The cubic root of 987275 is about 99.5740213316.

The spelling of 987275 in words is "nine hundred eighty-seven thousand, two hundred seventy-five".