9945376 has 48 divisors (see below), whose sum is σ = 23163840. Its totient is φ = 4112640.

The previous prime is 9945359. The next prime is 9945409. The reversal of 9945376 is 6735499.

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, 5731 + ... + 7261.

It is an arithmetic number, because the mean of its divisors is an integer number (482580).

Almost surely, 2^9945376 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 9945376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11581920).

9945376 is an abundant number, since it is smaller than the sum of its proper divisors (13218464).

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

9945376 is a wasteful number, since it uses less digits than its factorization.

9945376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1577 (or 1569 counting only the distinct ones).

The product of its digits is 204120, while the sum is 43.

The square root of 9945376 is about 3153.6290206681. The cubic root of 9945376 is about 215.0504730969.

The spelling of 9945376 in words is "nine million, nine hundred forty-five thousand, three hundred seventy-six".