9912329 has 4 divisors (see below), whose sum is σ = 11328384. Its totient is φ = 8496276.

The previous prime is 9912313. The next prime is 9912391. The reversal of 9912329 is 9232199.

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 an emirpimes, since its reverse is a distinct semiprime: 9232199 = 103 ⋅89633.

It is a cyclic number.

It is not a de Polignac number, because 9912329 - 2⁴ = 9912313 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9912029) 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, 708017 + ... + 708030.

It is an arithmetic number, because the mean of its divisors is an integer number (2832096).

Almost surely, 2^9912329 is an apocalyptic number.

It is an amenable number.

9912329 is a deficient number, since it is larger than the sum of its proper divisors (1416055).

9912329 is a wasteful number, since it uses less digits than its factorization.

9912329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416054.

The product of its digits is 8748, while the sum is 35.

The square root of 9912329 is about 3148.3851416242. The cubic root of 9912329 is about 214.8120152404.

The spelling of 9912329 in words is "nine million, nine hundred twelve thousand, three hundred twenty-nine".