6694087 has 2 divisors, whose sum is σ = 6694088. Its totient is φ = 6694086.

The previous prime is 6694021. The next prime is 6694091. The reversal of 6694087 is 7804966.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6694087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6694097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3347043 + 3347044.

It is an arithmetic number, because the mean of its divisors is an integer number (3347044).

Almost surely, 2^6694087 is an apocalyptic number.

6694087 is a deficient number, since it is larger than the sum of its proper divisors (1).

6694087 is an equidigital number, since it uses as much as digits as its factorization.

6694087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 6694087 is about 2587.2933733924. The cubic root of 6694087 is about 188.4648880277.

The spelling of 6694087 in words is "six million, six hundred ninety-four thousand, eighty-seven".