985520450 has 24 divisors (see below), whose sum is σ = 1843679988. Its totient is φ = 391926080.

The previous prime is 985520383. The next prime is 985520461. The reversal of 985520450 is 54025589.

It is a Cunningham number, because it is equal to 31393²+1.

It can be written as a sum of positive squares in 6 ways, for example, as 681262201 + 304258249 = 26101^2 + 17443^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

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 11 ways as a sum of consecutive naturals, for example, 48317 + ... + 65616.

Almost surely, 2^985520450 is an apocalyptic number.

985520450 is a deficient number, since it is larger than the sum of its proper divisors (858159538).

985520450 is a wasteful number, since it uses less digits than its factorization.

985520450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114118 (or 114113 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 38.

The square root of 985520450 is about 31393.0000159271. Note that the first 4 decimals coincide. The cubic root of 985520450 is about 995.1499988502.

The spelling of 985520450 in words is "nine hundred eighty-five million, five hundred twenty thousand, four hundred fifty".