9412409 has 4 divisors (see below), whose sum is σ = 9419520. Its totient is φ = 9405300.

The previous prime is 9412397. The next prime is 9412427. The reversal of 9412409 is 9042149.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9042149 = 401 ⋅22549.

It is a cyclic number.

It is not a de Polignac number, because 9412409 - 2¹⁶ = 9346873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9412439) 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, 917 + ... + 4434.

It is an arithmetic number, because the mean of its divisors is an integer number (2354880).

Almost surely, 2^9412409 is an apocalyptic number.

It is an amenable number.

9412409 is a deficient number, since it is larger than the sum of its proper divisors (7111).

9412409 is a wasteful number, since it uses less digits than its factorization.

9412409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7110.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 9412409 is about 3067.9649606865. The cubic root of 9412409 is about 211.1382560868.

The spelling of 9412409 in words is "nine million, four hundred twelve thousand, four hundred nine".