9131346 has 128 divisors (see below), whose sum is σ = 25920000. Its totient is φ = 2370816.

The previous prime is 9131333. The next prime is 9131347. The reversal of 9131346 is 6431319.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9131347) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 314860 + ... + 314888.

It is an arithmetic number, because the mean of its divisors is an integer number (202500).

Almost surely, 2^9131346 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9131346, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12960000).

9131346 is an abundant number, since it is smaller than the sum of its proper divisors (16788654).

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

9131346 is a wasteful number, since it uses less digits than its factorization.

9131346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78 (or 58 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 9131346 is about 3021.8117082307. The cubic root of 9131346 is about 209.0153907609.

Subtracting from 9131346 its sum of digits (27), we obtain a palindrome (9131319).

The spelling of 9131346 in words is "nine million, one hundred thirty-one thousand, three hundred forty-six".