684184093 has 2 divisors, whose sum is σ = 684184094. Its totient is φ = 684184092.

The previous prime is 684184087. The next prime is 684184099. The reversal of 684184093 is 390481486.

684184093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (684184087) and next prime (684184099).

It can be written as a sum of positive squares in only one way, i.e., 578546809 + 105637284 = 24053^2 + 10278^2 .

It is a cyclic number.

It is not a de Polignac number, because 684184093 - 2¹³ = 684175901 is a prime.

It is a super-2 number, since 2×684184093² = 936215746228465298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (684184099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 342092046 + 342092047.

It is an arithmetic number, because the mean of its divisors is an integer number (342092047).

Almost surely, 2^684184093 is an apocalyptic number.

It is an amenable number.

684184093 is a deficient number, since it is larger than the sum of its proper divisors (1).

684184093 is an equidigital number, since it uses as much as digits as its factorization.

684184093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 684184093 is about 26156.9129103570. The cubic root of 684184093 is about 881.1658501678.

The spelling of 684184093 in words is "six hundred eighty-four million, one hundred eighty-four thousand, ninety-three".