104218305 has 16 divisors (see below), whose sum is σ = 166876224. Its totient is φ = 55540800.

The previous prime is 104218271. The next prime is 104218339. The reversal of 104218305 is 503812401.

It is an interprime number because it is at equal distance from previous prime (104218271) and next prime (104218339).

It is not a de Polignac number, because 104218305 - 2⁶ = 104218241 is a prime.

It is a super-2 number, since 2×104218305² = 21722910194146050, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35130 + ... + 37980.

It is an arithmetic number, because the mean of its divisors is an integer number (10429764).

Almost surely, 2^104218305 is an apocalyptic number.

104218305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

104218305 is a deficient number, since it is larger than the sum of its proper divisors (62657919).

104218305 is a wasteful number, since it uses less digits than its factorization.

104218305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5296.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 104218305 is about 10208.7366995138. The cubic root of 104218305 is about 470.5957512479.

The spelling of 104218305 in words is "one hundred four million, two hundred eighteen thousand, three hundred five".