987654324 has 24 divisors (see below), whose sum is σ = 2309741280. Its totient is φ = 328473184.

The previous prime is 987654323. The next prime is 987654337. The reversal of 987654324 is 423456789.

It is a super-2 number, since 2×987654324² = 1950922127431793952, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987654323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87579 + ... + 98210.

It is an arithmetic number, because the mean of its divisors is an integer number (96239220).

Almost surely, 2^987654324 is an apocalyptic number.

It is an amenable number.

987654324 is an abundant number, since it is smaller than the sum of its proper divisors (1322086956).

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

987654324 is a wasteful number, since it uses less digits than its factorization.

987654324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186239 (or 186237 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 48.

The square root of 987654324 is about 31426.9681006616. The cubic root of 987654324 is about 995.8677224696.

The spelling of 987654324 in words is "nine hundred eighty-seven million, six hundred fifty-four thousand, three hundred twenty-four".