987290828 has 12 divisors (see below), whose sum is σ = 1753546872. Its totient is φ = 486277440.

The previous prime is 987290813. The next prime is 987290833. The reversal of 987290828 is 828092789.

It is a self number, because there is not a number n which added to its sum of digits gives 987290828.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1841693 + ... + 1842228.

It is an arithmetic number, because the mean of its divisors is an integer number (146128906).

Almost surely, 2^987290828 is an apocalyptic number.

It is an amenable number.

987290828 is a deficient number, since it is larger than the sum of its proper divisors (766256044).

987290828 is a wasteful number, since it uses less digits than its factorization.

987290828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3683992 (or 3683990 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 53.

The square root of 987290828 is about 31421.1843825149. The cubic root of 987290828 is about 995.7455345261.

The spelling of 987290828 in words is "nine hundred eighty-seven million, two hundred ninety thousand, eight hundred twenty-eight".