3398879865 has 16 divisors (see below), whose sum is σ = 5439708288. Its totient is φ = 1812235776.

The previous prime is 3398879849. The next prime is 3398879867. The reversal of 3398879865 is 5689788933.

It is not a de Polignac number, because 3398879865 - 2⁴ = 3398879849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3398879796 and 3398879805.

It is not an unprimeable number, because it can be changed into a prime (3398879867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28617 + ... + 87273.

It is an arithmetic number, because the mean of its divisors is an integer number (339981768).

Almost surely, 2^3398879865 is an apocalyptic number.

It is an amenable number.

3398879865 is a deficient number, since it is larger than the sum of its proper divisors (2040828423).

3398879865 is a wasteful number, since it uses less digits than its factorization.

3398879865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62528.

The product of its digits is 78382080, while the sum is 66.

The square root of 3398879865 is about 58299.9130788374. The cubic root of 3398879865 is about 1503.5294466020.

The spelling of 3398879865 in words is "three billion, three hundred ninety-eight million, eight hundred seventy-nine thousand, eight hundred sixty-five".