7926091 has 2 divisors, whose sum is σ = 7926092. Its totient is φ = 7926090.

The previous prime is 7926071. The next prime is 7926109. The reversal of 7926091 is 1906297.

Together with next prime (7926109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (1906297) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7926091 - 2¹¹ = 7924043 is a prime.

It is not a weakly prime, because it can be changed into another prime (7926041) 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 as a sum of consecutive naturals, namely, 3963045 + 3963046.

It is an arithmetic number, because the mean of its divisors is an integer number (3963046).

Almost surely, 2^7926091 is an apocalyptic number.

7926091 is a deficient number, since it is larger than the sum of its proper divisors (1).

7926091 is an equidigital number, since it uses as much as digits as its factorization.

7926091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 7926091 is about 2815.3314192116. The cubic root of 7926091 is about 199.3821851559.

The spelling of 7926091 in words is "seven million, nine hundred twenty-six thousand, ninety-one".