9649746 has 32 divisors (see below), whose sum is σ = 21712320. Its totient is φ = 3176352.

The previous prime is 9649729. The next prime is 9649747. The reversal of 9649746 is 6479469.

9649746 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 an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (9649747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3406 + ... + 5558.

It is an arithmetic number, because the mean of its divisors is an integer number (678510).

Almost surely, 2^9649746 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9649746, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10856160).

9649746 is an abundant number, since it is smaller than the sum of its proper divisors (12062574).

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

9649746 is a wasteful number, since it uses less digits than its factorization.

9649746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247 (or 2241 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 9649746 is about 3106.4040303863. The cubic root of 9649746 is about 212.8981858178.

The spelling of 9649746 in words is "nine million, six hundred forty-nine thousand, seven hundred forty-six".