6664093 has 2 divisors, whose sum is σ = 6664094. Its totient is φ = 6664092.

The previous prime is 6664087. The next prime is 6664103. The reversal of 6664093 is 3904666.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6416089 + 248004 = 2533^2 + 498^2 .

It is a cyclic number.

It is not a de Polignac number, because 6664093 - 2²¹ = 4566941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6662093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3332046 + 3332047.

It is an arithmetic number, because the mean of its divisors is an integer number (3332047).

Almost surely, 2^6664093 is an apocalyptic number.

It is an amenable number.

6664093 is a deficient number, since it is larger than the sum of its proper divisors (1).

6664093 is an equidigital number, since it uses as much as digits as its factorization.

6664093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 6664093 is about 2581.4904609547. The cubic root of 6664093 is about 188.1829835283.

The spelling of 6664093 in words is "six million, six hundred sixty-four thousand, ninety-three".