9919093 has 4 divisors (see below), whose sum is σ = 9955180. Its totient is φ = 9883008.

The previous prime is 9919069. The next prime is 9919097. The reversal of 9919093 is 3909199.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3909199 = 7 ⋅558457.

It can be written as a sum of positive squares in 2 ways, for example, as 3247204 + 6671889 = 1802^2 + 2583^2 .

It is a cyclic number.

It is not a de Polignac number, because 9919093 - 2⁵ = 9919061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9919097) 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, 17628 + ... + 18181.

It is an arithmetic number, because the mean of its divisors is an integer number (2488795).

Almost surely, 2^9919093 is an apocalyptic number.

It is an amenable number.

9919093 is a deficient number, since it is larger than the sum of its proper divisors (36087).

9919093 is a wasteful number, since it uses less digits than its factorization.

9919093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36086.

The product of its (nonzero) digits is 19683, while the sum is 40.

The square root of 9919093 is about 3149.4591599194. The cubic root of 9919093 is about 214.8608654517.

The spelling of 9919093 in words is "nine million, nine hundred nineteen thousand, ninety-three".