8214091 has 2 divisors, whose sum is σ = 8214092. Its totient is φ = 8214090.

The previous prime is 8214071. The next prime is 8214097. The reversal of 8214091 is 1904128.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8214091 is a prime.

It is equal to p₅₅₃₂₁₉ and since 8214091 and 553219 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (8214097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4107045 + 4107046.

It is an arithmetic number, because the mean of its divisors is an integer number (4107046).

Almost surely, 2^8214091 is an apocalyptic number.

8214091 is a deficient number, since it is larger than the sum of its proper divisors (1).

8214091 is an equidigital number, since it uses as much as digits as its factorization.

8214091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 8214091 is about 2866.0235518921. The cubic root of 8214091 is about 201.7684092249.

The spelling of 8214091 in words is "eight million, two hundred fourteen thousand, ninety-one".