985383590 has 16 divisors (see below), whose sum is σ = 1796143680. Its totient is φ = 389163840.

The previous prime is 985383587. The next prime is 985383599. The reversal of 985383590 is 95383589.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985383599) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 622871 + ... + 624450.

It is an arithmetic number, because the mean of its divisors is an integer number (112258980).

Almost surely, 2^985383590 is an apocalyptic number.

985383590 is a deficient number, since it is larger than the sum of its proper divisors (810760090).

985383590 is a wasteful number, since it uses less digits than its factorization.

985383590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247407.

The product of its (nonzero) digits is 1166400, while the sum is 50.

The square root of 985383590 is about 31390.8201549434. The cubic root of 985383590 is about 995.1039309633.

The spelling of 985383590 in words is "nine hundred eighty-five million, three hundred eighty-three thousand, five hundred ninety".