9771632 has 40 divisors (see below), whose sum is σ = 20623680. Its totient is φ = 4458240.

The previous prime is 9771631. The next prime is 9771661. The reversal of 9771632 is 2361779.

It is a junction number, because it is equal to n+sod(n) for n = 9771592 and 9771601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9771631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22457 + ... + 22887.

It is an arithmetic number, because the mean of its divisors is an integer number (515592).

Almost surely, 2^9771632 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 9771632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10311840).

9771632 is an abundant number, since it is smaller than the sum of its proper divisors (10852048).

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

9771632 is a wasteful number, since it uses less digits than its factorization.

9771632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561 (or 555 counting only the distinct ones).

The product of its digits is 15876, while the sum is 35.

The square root of 9771632 is about 3125.9609722452. The cubic root of 9771632 is about 213.7908108070.

The spelling of 9771632 in words is "nine million, seven hundred seventy-one thousand, six hundred thirty-two".