9697864 has 32 divisors (see below), whose sum is σ = 19974240. Its totient is φ = 4377600.

The previous prime is 9697843. The next prime is 9697879. The reversal of 9697864 is 4687969.

9697864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 16699 + ... + 17269.

It is an arithmetic number, because the mean of its divisors is an integer number (624195).

Almost surely, 2^9697864 is an apocalyptic number.

It is an amenable number.

9697864 is an abundant number, since it is smaller than the sum of its proper divisors (10276376).

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

9697864 is a wasteful number, since it uses less digits than its factorization.

9697864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781 (or 777 counting only the distinct ones).

The product of its digits is 653184, while the sum is 49.

The square root of 9697864 is about 3114.1393674658. The cubic root of 9697864 is about 213.2514681548.

The spelling of 9697864 in words is "nine million, six hundred ninety-seven thousand, eight hundred sixty-four".