9928319 has 2 divisors, whose sum is σ = 9928320. Its totient is φ = 9928318.

The previous prime is 9928291. The next prime is 9928333. The reversal of 9928319 is 9138299.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9928319 - 2²⁰ = 8879743 is a prime.

It is a super-2 number, since 2×9928319² = 197143036331522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9928379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4964159 + 4964160.

It is an arithmetic number, because the mean of its divisors is an integer number (4964160).

Almost surely, 2^9928319 is an apocalyptic number.

9928319 is a deficient number, since it is larger than the sum of its proper divisors (1).

9928319 is an equidigital number, since it uses as much as digits as its factorization.

9928319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34992, while the sum is 41.

The square root of 9928319 is about 3150.9235154158. The cubic root of 9928319 is about 214.9274606556.

The spelling of 9928319 in words is "nine million, nine hundred twenty-eight thousand, three hundred nineteen".