9481909 has 4 divisors (see below), whose sum is σ = 9494604. Its totient is φ = 9469216.

The previous prime is 9481889. The next prime is 9481951. The reversal of 9481909 is 9091849.

9481909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9091849 = 13 ⋅699373.

It can be written as a sum of positive squares in 2 ways, for example, as 7784100 + 1697809 = 2790^2 + 1303^2 .

It is a cyclic number.

It is not a de Polignac number, because 9481909 - 2¹⁹ = 8957621 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9481999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5152 + ... + 6745.

It is an arithmetic number, because the mean of its divisors is an integer number (2373651).

Almost surely, 2^9481909 is an apocalyptic number.

It is an amenable number.

9481909 is a deficient number, since it is larger than the sum of its proper divisors (12695).

9481909 is a wasteful number, since it uses less digits than its factorization.

9481909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12694.

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 9481909 is about 3079.2708552513. The cubic root of 9481909 is about 211.6566546886.

The spelling of 9481909 in words is "nine million, four hundred eighty-one thousand, nine hundred nine".