987534 has 24 divisors (see below), whose sum is σ = 2168712. Its totient is φ = 324720.

The previous prime is 987533. The next prime is 987541. The reversal of 987534 is 435789.

987534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 987534.

It is not an unprimeable number, because it can be changed into a prime (987533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1164 + ... + 1824.

It is an arithmetic number, because the mean of its divisors is an integer number (90363).

2⁹⁸⁷⁵³⁴ is an apocalyptic number.

987534 is an abundant number, since it is smaller than the sum of its proper divisors (1181178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

987534 is a wasteful number, since it uses less digits than its factorization.

987534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752 (or 749 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 987534 is about 993.7474528269. The cubic root of 987534 is about 99.5827279286.

It can be divided in two parts, 987 and 534, that added together give a square (1521 = 39²).

The spelling of 987534 in words is "nine hundred eighty-seven thousand, five hundred thirty-four".