9957330 has 80 divisors (see below), whose sum is σ = 28226880. Its totient is φ = 2511648.

The previous prime is 9957323. The next prime is 9957331. The reversal of 9957330 is 337599.

It is not an unprimeable number, because it can be changed into a prime (9957331) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 15067 + ... + 15713.

It is an arithmetic number, because the mean of its divisors is an integer number (352836).

Almost surely, 2^9957330 is an apocalyptic number.

9957330 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 9957330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14113440).

9957330 is an abundant number, since it is smaller than the sum of its proper divisors (18269550).

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

9957330 is a wasteful number, since it uses less digits than its factorization.

9957330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685 (or 676 counting only the distinct ones).

The product of its (nonzero) digits is 25515, while the sum is 36.

The square root of 9957330 is about 3155.5237283215. The cubic root of 9957330 is about 215.1365996906.

The spelling of 9957330 in words is "nine million, nine hundred fifty-seven thousand, three hundred thirty".