3812826646 has 16 divisors (see below), whose sum is σ = 5804179344. Its totient is φ = 1878159744.

The previous prime is 3812826643. The next prime is 3812826683. The reversal of 3812826646 is 6466282183.

It is a junction number, because it is equal to n+sod(n) for n = 3812826596 and 3812826605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3812826643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118026 + ... + 146818.

It is an arithmetic number, because the mean of its divisors is an integer number (362761209).

Almost surely, 2^3812826646 is an apocalyptic number.

3812826646 is a deficient number, since it is larger than the sum of its proper divisors (1991352698).

3812826646 is a wasteful number, since it uses less digits than its factorization.

3812826646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29775.

The product of its digits is 663552, while the sum is 46.

The square root of 3812826646 is about 61748.0902214797. The cubic root of 3812826646 is about 1562.2445563085.

The spelling of 3812826646 in words is "three billion, eight hundred twelve million, eight hundred twenty-six thousand, six hundred forty-six".