7849091 has 4 divisors (see below), whose sum is σ = 8031672. Its totient is φ = 7666512.

The previous prime is 7849073. The next prime is 7849099. The reversal of 7849091 is 1909487.

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 7849091 - 2⁶ = 7849027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7849099) 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, 91226 + ... + 91311.

It is an arithmetic number, because the mean of its divisors is an integer number (2007918).

Almost surely, 2^7849091 is an apocalyptic number.

7849091 is a deficient number, since it is larger than the sum of its proper divisors (182581).

7849091 is a wasteful number, since it uses less digits than its factorization.

7849091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182580.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 7849091 is about 2801.6229225219. The cubic root of 7849091 is about 198.7344336001.

The spelling of 7849091 in words is "seven million, eight hundred forty-nine thousand, ninety-one".