9134840 has 64 divisors (see below), whose sum is σ = 24161760. Its totient is φ = 3064320.

The previous prime is 9134837. The next prime is 9134843. The reversal of 9134840 is 484319.

9134840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9134837) and next prime (9134843).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9134843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4922 + ... + 6518.

Almost surely, 2^9134840 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 9134840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12080880).

9134840 is an abundant number, since it is smaller than the sum of its proper divisors (15026920).

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

9134840 is a wasteful number, since it uses less digits than its factorization.

9134840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1632 (or 1628 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 9134840 is about 3022.3897829367. The cubic root of 9134840 is about 209.0420464386.

The spelling of 9134840 in words is "nine million, one hundred thirty-four thousand, eight hundred forty".