985831093 has 16 divisors (see below), whose sum is σ = 1153600000. Its totient is φ = 834287040.

The previous prime is 985831081. The next prime is 985831123. The reversal of 985831093 is 390138589.

It is a cyclic number.

It is not a de Polignac number, because 985831093 - 2¹⁷ = 985700021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985831013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56718 + ... + 72031.

It is an arithmetic number, because the mean of its divisors is an integer number (72100000).

Almost surely, 2^985831093 is an apocalyptic number.

It is an amenable number.

985831093 is a deficient number, since it is larger than the sum of its proper divisors (167768907).

985831093 is a wasteful number, since it uses less digits than its factorization.

985831093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128812.

The product of its (nonzero) digits is 233280, while the sum is 46.

The square root of 985831093 is about 31397.9472736674. The cubic root of 985831093 is about 995.2545473001.

The spelling of 985831093 in words is "nine hundred eighty-five million, eight hundred thirty-one thousand, ninety-three".