987015 has 16 divisors (see below), whose sum is σ = 1634400. Its totient is φ = 508032.

The previous prime is 987013. The next prime is 987023. The reversal of 987015 is 510789.

987015 is nontrivially palindromic in base 14.

It is not a de Polignac number, because 987015 - 2¹ = 987013 is a prime.

It is a super-2 number, since 2×987015² = 1948397220450, which contains 22 as substring.

It is a zygodrome in base 2.

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 987015.

It is not an unprimeable number, because it can be changed into a prime (987013) 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, 700 + ... + 1569.

It is an arithmetic number, because the mean of its divisors is an integer number (102150).

2⁹⁸⁷⁰¹⁵ is an apocalyptic number.

987015 is a deficient number, since it is larger than the sum of its proper divisors (647385).

987015 is a wasteful number, since it uses less digits than its factorization.

987015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2306.

The product of its (nonzero) digits is 2520, while the sum is 30.

The square root of 987015 is about 993.4862857634. The cubic root of 987015 is about 99.5652795868.

The spelling of 987015 in words is "nine hundred eighty-seven thousand, fifteen".