987624 has 96 divisors (see below), whose sum is σ = 3088800. Its totient is φ = 282240.

The previous prime is 987607. The next prime is 987631. The reversal of 987624 is 426789.

987624 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 9 + 8⁵ + 6³ + 7⁷ + 2¹⁷ + 4² .

It is an unprimeable number.

987624 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22947 + ... + 22989.

It is an arithmetic number, because the mean of its divisors is an integer number (32175).

2⁹⁸⁷⁶²⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 987624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1544400).

987624 is an abundant number, since it is smaller than the sum of its proper divisors (2101176).

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

987624 is a wasteful number, since it uses less digits than its factorization.

987624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95 (or 88 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 987624 is about 993.7927349302. The cubic root of 987624 is about 99.5857530307.

The spelling of 987624 in words is "nine hundred eighty-seven thousand, six hundred twenty-four".