987039 has 16 divisors (see below), whose sum is σ = 1478400. Its totient is φ = 650808.

The previous prime is 987029. The next prime is 987043. The reversal of 987039 is 930789.

It is not a de Polignac number, because 987039 - 2⁴ = 987023 is a prime.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 986994 and 987012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987029) 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, 3622 + ... + 3884.

It is an arithmetic number, because the mean of its divisors is an integer number (92400).

2⁹⁸⁷⁰³⁹ is an apocalyptic number.

987039 is a deficient number, since it is larger than the sum of its proper divisors (491361).

987039 is a wasteful number, since it uses less digits than its factorization.

987039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411 (or 405 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 987039 is about 993.4983643670. The cubic root of 987039 is about 99.5660865814.

The spelling of 987039 in words is "nine hundred eighty-seven thousand, thirty-nine".