987733 has 4 divisors (see below), whose sum is σ = 996588. Its totient is φ = 978880.

The previous prime is 987713. The next prime is 987739. The reversal of 987733 is 337789.

987733 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 337789 = 47 ⋅7187.

It can be written as a sum of positive squares in 2 ways, for example, as 79524 + 908209 = 282^2 + 953^2 .

It is a cyclic number.

It is not a de Polignac number, because 987733 - 2¹³ = 979541 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 987692 and 987701.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4258 + ... + 4483.

It is an arithmetic number, because the mean of its divisors is an integer number (249147).

2⁹⁸⁷⁷³³ is an apocalyptic number.

It is an amenable number.

987733 is a deficient number, since it is larger than the sum of its proper divisors (8855).

987733 is a wasteful number, since it uses less digits than its factorization.

987733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8854.

The product of its digits is 31752, while the sum is 37.

The square root of 987733 is about 993.8475738261. The cubic root of 987733 is about 99.5894165192.

The spelling of 987733 in words is "nine hundred eighty-seven thousand, seven hundred thirty-three".