3806838478 has 4 divisors (see below), whose sum is σ = 5710257720. Its totient is φ = 1903419238.

The previous prime is 3806838463. The next prime is 3806838493. The reversal of 3806838478 is 8748386083.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8748386083 = 40423 ⋅216421.

It is an interprime number because it is at equal distance from previous prime (3806838463) and next prime (3806838493).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 951709618 + ... + 951709621.

It is an arithmetic number, because the mean of its divisors is an integer number (1427564430).

Almost surely, 2^3806838478 is an apocalyptic number.

3806838478 is a deficient number, since it is larger than the sum of its proper divisors (1903419242).

3806838478 is a wasteful number, since it uses less digits than its factorization.

3806838478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1903419241.

The product of its (nonzero) digits is 6193152, while the sum is 55.

The square root of 3806838478 is about 61699.5824783280. The cubic root of 3806838478 is about 1561.4262758531.

The spelling of 3806838478 in words is "three billion, eight hundred six million, eight hundred thirty-eight thousand, four hundred seventy-eight".