3835894646 has 32 divisors (see below), whose sum is σ = 6030763200. Its totient is φ = 1828293120.

The previous prime is 3835894631. The next prime is 3835894649. The reversal of 3835894646 is 6464985383.

It is a happy number.

It is a super-2 number, since 2×3835894646² = 29428175470422930632, which contains 22 as substring.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 3835894591 and 3835894600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3835894649) 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 15 ways as a sum of consecutive naturals, for example, 649535 + ... + 655413.

It is an arithmetic number, because the mean of its divisors is an integer number (188461350).

Almost surely, 2^3835894646 is an apocalyptic number.

3835894646 is a deficient number, since it is larger than the sum of its proper divisors (2194868554).

3835894646 is a wasteful number, since it uses less digits than its factorization.

3835894646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6104.

The product of its digits is 14929920, while the sum is 56.

The square root of 3835894646 is about 61934.5997484443. The cubic root of 3835894646 is about 1565.3888047855.

The spelling of 3835894646 in words is "three billion, eight hundred thirty-five million, eight hundred ninety-four thousand, six hundred forty-six".