3438837685 has 8 divisors (see below), whose sum is σ = 4156727256. Its totient is φ = 2730988800.

The previous prime is 3438837671. The next prime is 3438837691. The reversal of 3438837685 is 5867388343.

It can be written as a sum of positive squares in 4 ways, for example, as 1548501201 + 1890336484 = 39351^2 + 43478^2 .

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

It is not a de Polignac number, because 3438837685 - 2⁵ = 3438837653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2509416 + ... + 2510785.

It is an arithmetic number, because the mean of its divisors is an integer number (519590907).

Almost surely, 2^3438837685 is an apocalyptic number.

It is an amenable number.

3438837685 is a deficient number, since it is larger than the sum of its proper divisors (717889571).

3438837685 is a wasteful number, since it uses less digits than its factorization.

3438837685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5020343.

The product of its digits is 11612160, while the sum is 55.

The square root of 3438837685 is about 58641.6037041962. The cubic root of 3438837685 is about 1509.3984249001.

The spelling of 3438837685 in words is "three billion, four hundred thirty-eight million, eight hundred thirty-seven thousand, six hundred eighty-five".