9870057 has 6 divisors (see below), whose sum is σ = 14256762. Its totient is φ = 6580032.

The previous prime is 9870017. The next prime is 9870061. The reversal of 9870057 is 7500789.

It can be written as a sum of positive squares in only one way, i.e., 9603801 + 266256 = 3099^2 + 516^2 .

It is not a de Polignac number, because 9870057 - 2⁷ = 9869929 is a prime.

9870057 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9870017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 548328 + ... + 548345.

It is an arithmetic number, because the mean of its divisors is an integer number (2376127).

Almost surely, 2^9870057 is an apocalyptic number.

It is an amenable number.

9870057 is a deficient number, since it is larger than the sum of its proper divisors (4386705).

9870057 is a wasteful number, since it uses less digits than its factorization.

9870057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096679 (or 1096676 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The square root of 9870057 is about 3141.6646861179. The cubic root of 9870057 is about 214.5062185427.

The spelling of 9870057 in words is "nine million, eight hundred seventy thousand, fifty-seven".