3438820885 has 8 divisors (see below), whose sum is σ = 4238114616. Its totient is φ = 2676703680.

The previous prime is 3438820829. The next prime is 3438820927. The reversal of 3438820885 is 5880288343.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1361831409 + 2076989476 = 36903^2 + 45574^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3438820885 - 2¹⁵ = 3438788117 is a prime.

It is a super-2 number, since 2×3438820885² = 23650978158224366450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9293926 + ... + 9294295.

It is an arithmetic number, because the mean of its divisors is an integer number (529764327).

Almost surely, 2^3438820885 is an apocalyptic number.

It is an amenable number.

3438820885 is a deficient number, since it is larger than the sum of its proper divisors (799293731).

3438820885 is a wasteful number, since it uses less digits than its factorization.

3438820885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18588263.

The product of its (nonzero) digits is 1474560, while the sum is 49.

The square root of 3438820885 is about 58641.4604610083. The cubic root of 3438820885 is about 1509.3959669054.

The spelling of 3438820885 in words is "three billion, four hundred thirty-eight million, eight hundred twenty thousand, eight hundred eighty-five".