8090691 has 32 divisors (see below), whose sum is σ = 13229568. Its totient is φ = 4293120.

The previous prime is 8090689. The next prime is 8090699. The reversal of 8090691 is 1960908.

It is a happy number.

It is not a de Polignac number, because 8090691 - 2¹ = 8090689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8090699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46681 + ... + 46853.

It is an arithmetic number, because the mean of its divisors is an integer number (413424).

Almost surely, 2^8090691 is an apocalyptic number.

8090691 is a deficient number, since it is larger than the sum of its proper divisors (5138877).

8090691 is a wasteful number, since it uses less digits than its factorization.

8090691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 8090691 is about 2844.4139994030. The cubic root of 8090691 is about 200.7529203314.

The spelling of 8090691 in words is "eight million, ninety thousand, six hundred ninety-one".