987735 has 32 divisors (see below), whose sum is σ = 1889280. Its totient is φ = 430848.

The previous prime is 987713. The next prime is 987739. The reversal of 987735 is 537789.

It is not a de Polignac number, because 987735 - 2⁷ = 987607 is a prime.

It is a super-3 number, since 3×987735³ = 2890963336944871125, which contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 987693 and 987702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987739) 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 31 ways as a sum of consecutive naturals, for example, 2211 + ... + 2619.

It is an arithmetic number, because the mean of its divisors is an integer number (59040).

2⁹⁸⁷⁷³⁵ is an apocalyptic number.

987735 is a deficient number, since it is larger than the sum of its proper divisors (901545).

987735 is a wasteful number, since it uses less digits than its factorization.

987735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447.

The product of its digits is 52920, while the sum is 39.

The square root of 987735 is about 993.8485800161. The cubic root of 987735 is about 99.5894837367.

The spelling of 987735 in words is "nine hundred eighty-seven thousand, seven hundred thirty-five".