4028206869 has 32 divisors (see below), whose sum is σ = 6050550400. Its totient is φ = 2681401968.

The previous prime is 4028206841. The next prime is 4028206907. The reversal of 4028206869 is 9686028204.

It is not a de Polignac number, because 4028206869 - 2¹⁷ = 4028075797 is a prime.

It is a super-2 number, since 2×4028206869² = 32452901158917566322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4028206829) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2337042 + ... + 2338764.

It is an arithmetic number, because the mean of its divisors is an integer number (189079700).

Almost surely, 2^4028206869 is an apocalyptic number.

It is an amenable number.

4028206869 is a deficient number, since it is larger than the sum of its proper divisors (2022343531).

4028206869 is an equidigital number, since it uses as much as digits as its factorization.

4028206869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2813 (or 2795 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 4028206869 is about 63468.1563384348. The cubic root of 4028206869 is about 1591.1236166012.

The spelling of 4028206869 in words is "four billion, twenty-eight million, two hundred six thousand, eight hundred sixty-nine".