9987234 has 16 divisors (see below), whose sum is σ = 20159040. Its totient is φ = 3298320.

The previous prime is 9987209. The next prime is 9987247. The reversal of 9987234 is 4327899.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6982 + ... + 8289.

It is an arithmetic number, because the mean of its divisors is an integer number (1259940).

Almost surely, 2^9987234 is an apocalyptic number.

9987234 is an abundant number, since it is smaller than the sum of its proper divisors (10171806).

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

9987234 is a wasteful number, since it uses less digits than its factorization.

9987234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15385.

The product of its digits is 108864, while the sum is 42.

The square root of 9987234 is about 3160.2585337279. The cubic root of 9987234 is about 215.3517515858.

The spelling of 9987234 in words is "nine million, nine hundred eighty-seven thousand, two hundred thirty-four".