985493100 has 72 divisors (see below), whose sum is σ = 2943367168. Its totient is φ = 254318400.

The previous prime is 985493099. The next prime is 985493123. The reversal of 985493100 is 1394589.

It is a super-2 number, since 2×985493100² = 1942393300295220000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43684 + ... + 62283.

Almost surely, 2^985493100 is an apocalyptic number.

It is an amenable number.

985493100 is an abundant number, since it is smaller than the sum of its proper divisors (1957874068).

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

985493100 is a wasteful number, since it uses less digits than its factorization.

985493100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106015 (or 106008 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 985493100 is about 31392.5644062412. The cubic root of 985493100 is about 995.1407930192.

The spelling of 985493100 in words is "nine hundred eighty-five million, four hundred ninety-three thousand, one hundred".