9657870 has 64 divisors (see below), whose sum is σ = 25427520. Its totient is φ = 2336768.

The previous prime is 9657863. The next prime is 9657881. The reversal of 9657870 is 787569.

9657870 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14464 + ... + 15116.

It is an arithmetic number, because the mean of its divisors is an integer number (397305).

Almost surely, 2^9657870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9657870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12713760).

9657870 is an abundant number, since it is smaller than the sum of its proper divisors (15769650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9657870 is a wasteful number, since it uses less digits than its factorization.

9657870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709.

The product of its (nonzero) digits is 105840, while the sum is 42.

The square root of 9657870 is about 3107.7113765599. The cubic root of 9657870 is about 212.9579144958.

The spelling of 9657870 in words is "nine million, six hundred fifty-seven thousand, eight hundred seventy".