9767664 has 60 divisors (see below), whose sum is σ = 28290600. Its totient is φ = 3142272.

The previous prime is 9767657. The next prime is 9767671. The reversal of 9767664 is 4667679.

It is an interprime number because it is at equal distance from previous prime (9767657) and next prime (9767671).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3007 + ... + 5345.

It is an arithmetic number, because the mean of its divisors is an integer number (471510).

Almost surely, 2^9767664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9767664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14145300).

9767664 is an abundant number, since it is smaller than the sum of its proper divisors (18522936).

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

9767664 is a wasteful number, since it uses less digits than its factorization.

9767664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2382 (or 2373 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 9767664 is about 3125.3262229726. The cubic root of 9767664 is about 213.7618686341.

The spelling of 9767664 in words is "nine million, seven hundred sixty-seven thousand, six hundred sixty-four".