3800881405 has 4 divisors (see below), whose sum is σ = 4561057692. Its totient is φ = 3040705120.

The previous prime is 3800881397. The next prime is 3800881451. The reversal of 3800881405 is 5041880083.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2068157529 + 1732723876 = 45477^2 + 41626^2 .

It is not a de Polignac number, because 3800881405 - 2³ = 3800881397 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 3 ways as a sum of consecutive naturals, for example, 380088136 + ... + 380088145.

It is an arithmetic number, because the mean of its divisors is an integer number (1140264423).

Almost surely, 2^3800881405 is an apocalyptic number.

It is an amenable number.

3800881405 is a deficient number, since it is larger than the sum of its proper divisors (760176287).

3800881405 is an equidigital number, since it uses as much as digits as its factorization.

3800881405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760176286.

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 3800881405 is about 61651.2887537641. The cubic root of 3800881405 is about 1560.6113926396.

The spelling of 3800881405 in words is "three billion, eight hundred million, eight hundred eighty-one thousand, four hundred five".