3822840605 has 4 divisors (see below), whose sum is σ = 4587408732. Its totient is φ = 3058272480.

The previous prime is 3822840601. The next prime is 3822840673. The reversal of 3822840605 is 5060482283.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5060482283 = 32843 ⋅154081.

It can be written as a sum of positive squares in 2 ways, for example, as 1702882756 + 2119957849 = 41266^2 + 46043^2 .

It is not a de Polignac number, because 3822840605 - 2² = 3822840601 is a prime.

It is a super-3 number, since 3×3822840605³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3822840601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382284056 + ... + 382284065.

It is an arithmetic number, because the mean of its divisors is an integer number (1146852183).

Almost surely, 2^3822840605 is an apocalyptic number.

It is an amenable number.

3822840605 is a deficient number, since it is larger than the sum of its proper divisors (764568127).

3822840605 is an equidigital number, since it uses as much as digits as its factorization.

3822840605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764568126.

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 3822840605 is about 61829.1242457792. The cubic root of 3822840605 is about 1563.6110470497.

The spelling of 3822840605 in words is "three billion, eight hundred twenty-two million, eight hundred forty thousand, six hundred five".