987315 has 16 divisors (see below), whose sum is σ = 1805568. Its totient is φ = 451296.

The previous prime is 987313. The next prime is 987353. The reversal of 987315 is 513789.

987315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 987315 - 2¹ = 987313 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 987315.

It is not an unprimeable number, because it can be changed into a prime (987313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4597 + ... + 4806.

It is an arithmetic number, because the mean of its divisors is an integer number (112848).

2⁹⁸⁷³¹⁵ is an apocalyptic number.

987315 is a deficient number, since it is larger than the sum of its proper divisors (818253).

987315 is a wasteful number, since it uses less digits than its factorization.

987315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9418.

The product of its digits is 7560, while the sum is 33.

The square root of 987315 is about 993.6372577556. The cubic root of 987315 is about 99.5753660792.

The spelling of 987315 in words is "nine hundred eighty-seven thousand, three hundred fifteen".