9139746 has 64 divisors (see below), whose sum is σ = 23187456. Its totient is φ = 2332800.

The previous prime is 9139723. The next prime is 9139751. The reversal of 9139746 is 6479319.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 33591 + ... + 33861.

It is an arithmetic number, because the mean of its divisors is an integer number (362304).

Almost surely, 2^9139746 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9139746, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11593728).

9139746 is an abundant number, since it is smaller than the sum of its proper divisors (14047710).

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

9139746 is a wasteful number, since it uses less digits than its factorization.

9139746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367.

The product of its digits is 40824, while the sum is 39.

The square root of 9139746 is about 3023.2012834080. The cubic root of 9139746 is about 209.0794627749.

The spelling of 9139746 in words is "nine million, one hundred thirty-nine thousand, seven hundred forty-six".