987724206 has 80 divisors (see below), whose sum is σ = 2543079264. Its totient is φ = 280682496.

The previous prime is 987724193. The next prime is 987724211. The reversal of 987724206 is 602427789.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 216606 + ... + 221118.

Almost surely, 2^987724206 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 987724206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1271539632).

987724206 is an abundant number, since it is smaller than the sum of its proper divisors (1555355058).

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

987724206 is a wasteful number, since it uses less digits than its factorization.

987724206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4727 (or 4718 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 987724206 is about 31428.0798968057. The cubic root of 987724206 is about 995.8912096301.

The spelling of 987724206 in words is "nine hundred eighty-seven million, seven hundred twenty-four thousand, two hundred six".