985769258 has 16 divisors (see below), whose sum is σ = 1532663424. Its totient is φ = 475194720.

The previous prime is 985769243. The next prime is 985769287. The reversal of 985769258 is 852967589.

It is a junction number, because it is equal to n+sod(n) for n = 985769197 and 985769206.

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, 71963 + ... + 84558.

It is an arithmetic number, because the mean of its divisors is an integer number (95791464).

Almost surely, 2^985769258 is an apocalyptic number.

985769258 is a deficient number, since it is larger than the sum of its proper divisors (546894166).

985769258 is a wasteful number, since it uses less digits than its factorization.

985769258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156637.

The product of its digits is 10886400, while the sum is 59.

The square root of 985769258 is about 31396.9625600949. The cubic root of 985769258 is about 995.2337381737.

The spelling of 985769258 in words is "nine hundred eighty-five million, seven hundred sixty-nine thousand, two hundred fifty-eight".