92640217 has 2 divisors, whose sum is σ = 92640218. Its totient is φ = 92640216.

The previous prime is 92640203. The next prime is 92640227. The reversal of 92640217 is 71204629.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84437721 + 8202496 = 9189^2 + 2864^2 .

It is a cyclic number.

It is not a de Polignac number, because 92640217 - 2¹⁹ = 92115929 is a prime.

It is a super-3 number, since 3×92640217³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (92640227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46320108 + 46320109.

It is an arithmetic number, because the mean of its divisors is an integer number (46320109).

Almost surely, 2^92640217 is an apocalyptic number.

It is an amenable number.

92640217 is a deficient number, since it is larger than the sum of its proper divisors (1).

92640217 is an equidigital number, since it uses as much as digits as its factorization.

92640217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 92640217 is about 9624.9788051715. The cubic root of 92640217 is about 452.4804863231.

The spelling of 92640217 in words is "ninety-two million, six hundred forty thousand, two hundred seventeen".