9190091 has 8 divisors (see below), whose sum is σ = 9771600. Its totient is φ = 8618400.

The previous prime is 9190079. The next prime is 9190121. The reversal of 9190091 is 1900919.

9190091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9190091 - 2¹⁰ = 9189067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9190001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 476 + ... + 4313.

It is an arithmetic number, because the mean of its divisors is an integer number (1221450).

Almost surely, 2^9190091 is an apocalyptic number.

9190091 is a deficient number, since it is larger than the sum of its proper divisors (581509).

9190091 is a wasteful number, since it uses less digits than its factorization.

9190091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4909.

The product of its (nonzero) digits is 729, while the sum is 29.

The square root of 9190091 is about 3031.5162872728. The cubic root of 9190091 is about 209.4626549443.

The spelling of 9190091 in words is "nine million, one hundred ninety thousand, ninety-one".