3845266646 has 16 divisors (see below), whose sum is σ = 6213442704. Its totient is φ = 1774207584.

The previous prime is 3845266637. The next prime is 3845266657. The reversal of 3845266646 is 6466625483.

3845266646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3845266594 and 3845266603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74420 + ... + 115016.

It is an arithmetic number, because the mean of its divisors is an integer number (388340169).

Almost surely, 2^3845266646 is an apocalyptic number.

3845266646 is a deficient number, since it is larger than the sum of its proper divisors (2368176058).

3845266646 is a wasteful number, since it uses less digits than its factorization.

3845266646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44255.

The product of its digits is 4976640, while the sum is 50.

The square root of 3845266646 is about 62010.2140457522. The cubic root of 3845266646 is about 1566.6626399072.

The spelling of 3845266646 in words is "three billion, eight hundred forty-five million, two hundred sixty-six thousand, six hundred forty-six".