3838842047 has 4 divisors (see below), whose sum is σ = 3885093240. Its totient is φ = 3792590856.

The previous prime is 3838842043. The next prime is 3838842083. The reversal of 3838842047 is 7402488383.

3838842047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 3838842047 - 2² = 3838842043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3838841992 and 3838842010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3838842043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23125472 + ... + 23125637.

It is an arithmetic number, because the mean of its divisors is an integer number (971273310).

Almost surely, 2^3838842047 is an apocalyptic number.

3838842047 is a deficient number, since it is larger than the sum of its proper divisors (46251193).

3838842047 is an equidigital number, since it uses as much as digits as its factorization.

3838842047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46251192.

The product of its (nonzero) digits is 1032192, while the sum is 47.

The square root of 3838842047 is about 61958.3896417588. The cubic root of 3838842047 is about 1565.7896367289.

The spelling of 3838842047 in words is "three billion, eight hundred thirty-eight million, eight hundred forty-two thousand, forty-seven".