9661350 has 48 divisors (see below), whose sum is σ = 24797520. Its totient is φ = 2486400.

The previous prime is 9661349. The next prime is 9661361. The reversal of 9661350 is 531669.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 3240 + ... + 5460.

It is an arithmetic number, because the mean of its divisors is an integer number (516615).

Almost surely, 2^9661350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9661350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12398760).

9661350 is an abundant number, since it is smaller than the sum of its proper divisors (15136170).

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

9661350 is a wasteful number, since it uses less digits than its factorization.

9661350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2265 (or 2260 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 9661350 is about 3108.2712236869. The cubic root of 9661350 is about 212.9834896502.

It can be divided in two parts, 9661 and 350, that added together give a triangular number (10011 = T₁₄₁).

The spelling of 9661350 in words is "nine million, six hundred sixty-one thousand, three hundred fifty".