3834820943 has 4 divisors (see below), whose sum is σ = 3854091600. Its totient is φ = 3815550288.

The previous prime is 3834820909. The next prime is 3834820949. The reversal of 3834820943 is 3490284383.

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 3834820943 - 2¹² = 3834816847 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3834820894 and 3834820903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3834820949) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 9635030 + ... + 9635427.

It is an arithmetic number, because the mean of its divisors is an integer number (963522900).

Almost surely, 2^3834820943 is an apocalyptic number.

3834820943 is a deficient number, since it is larger than the sum of its proper divisors (19270657).

3834820943 is a wasteful number, since it uses less digits than its factorization.

3834820943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19270656.

The product of its (nonzero) digits is 497664, while the sum is 44.

The square root of 3834820943 is about 61925.9311032139. The cubic root of 3834820943 is about 1565.2427354713.

The spelling of 3834820943 in words is "three billion, eight hundred thirty-four million, eight hundred twenty thousand, nine hundred forty-three".