9520857 has 12 divisors (see below), whose sum is σ = 13779220. Its totient is φ = 6334848.

The previous prime is 9520829. The next prime is 9520891. The reversal of 9520857 is 7580259.

9520857 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 646416 + 8874441 = 804^2 + 2979^2 .

It is not a de Polignac number, because 9520857 - 2⁶ = 9520793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9520807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7869 + ... + 8997.

Almost surely, 2^9520857 is an apocalyptic number.

It is an amenable number.

9520857 is a deficient number, since it is larger than the sum of its proper divisors (4258363).

9520857 is a wasteful number, since it uses less digits than its factorization.

9520857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2072 (or 2069 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 9520857 is about 3085.5885986307. The cubic root of 9520857 is about 211.9460599093.

The spelling of 9520857 in words is "nine million, five hundred twenty thousand, eight hundred fifty-seven".