9100993 has 16 divisors (see below), whose sum is σ = 10340352. Its totient is φ = 7938000.

The previous prime is 9100991. The next prime is 9101003. The reversal of 9100993 is 3990019.

9100993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 9100993 - 2¹ = 9100991 is a prime.

9100993 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9100991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33448 + ... + 33718.

It is an arithmetic number, because the mean of its divisors is an integer number (646272).

Almost surely, 2^9100993 is an apocalyptic number.

It is an amenable number.

9100993 is a deficient number, since it is larger than the sum of its proper divisors (1239359).

9100993 is a wasteful number, since it uses less digits than its factorization.

9100993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396.

The product of its (nonzero) digits is 2187, while the sum is 31.

The square root of 9100993 is about 3016.7852094572. The cubic root of 9100993 is about 208.7835415285.

The spelling of 9100993 in words is "nine million, one hundred thousand, nine hundred ninety-three".