3834859785 has 16 divisors (see below), whose sum is σ = 6251546304. Its totient is φ = 2006668352.

The previous prime is 3834859781. The next prime is 3834859793. The reversal of 3834859785 is 5879584383.

It is a cyclic number.

It is not a de Polignac number, because 3834859785 - 2² = 3834859781 is a prime.

It is a super-2 number, since 2×3834859785² = 29412299141220492450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3834859781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2411067 + ... + 2412656.

It is an arithmetic number, because the mean of its divisors is an integer number (390721644).

Almost surely, 2^3834859785 is an apocalyptic number.

It is an amenable number.

3834859785 is a deficient number, since it is larger than the sum of its proper divisors (2416686519).

3834859785 is a wasteful number, since it uses less digits than its factorization.

3834859785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4823784.

The product of its digits is 29030400, while the sum is 60.

The square root of 3834859785 is about 61926.2447190204. The cubic root of 3834859785 is about 1565.2480201120.

The spelling of 3834859785 in words is "three billion, eight hundred thirty-four million, eight hundred fifty-nine thousand, seven hundred eighty-five".