9313128 has 72 divisors (see below), whose sum is σ = 27750450. Its totient is φ = 2819520.

The previous prime is 9313111. The next prime is 9313163. The reversal of 9313128 is 8213139.

It can be written as a sum of positive squares in only one way, i.e., 8054244 + 1258884 = 2838^2 + 1122^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8178 + ... + 9246.

Almost surely, 2^9313128 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 9313128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13875225).

9313128 is an abundant number, since it is smaller than the sum of its proper divisors (18437322).

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

9313128 is a wasteful number, since it uses less digits than its factorization.

9313128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103 (or 1085 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 9313128 is about 3051.7417977280. The cubic root of 9313128 is about 210.3932766385.

The spelling of 9313128 in words is "nine million, three hundred thirteen thousand, one hundred twenty-eight".