6090091 has 4 divisors (see below), whose sum is σ = 6960112. Its totient is φ = 5220072.

The previous prime is 6090067. The next prime is 6090103. The reversal of 6090091 is 1900906.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6090091 - 2²¹ = 3992939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6090001) 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, 435000 + ... + 435013.

It is an arithmetic number, because the mean of its divisors is an integer number (1740028).

Almost surely, 2^6090091 is an apocalyptic number.

6090091 is a deficient number, since it is larger than the sum of its proper divisors (870021).

6090091 is an equidigital number, since it uses as much as digits as its factorization.

6090091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870020.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 6090091 is about 2467.8109733122. The cubic root of 6090091 is about 182.6170238380.

Adding to 6090091 its reverse (1900906), we get a palindrome (7990997).

The spelling of 6090091 in words is "six million, ninety thousand, ninety-one".