3806443850 has 144 divisors (see below), whose sum is σ = 8365848480. Its totient is φ = 1274313600.

The previous prime is 3806443829. The next prime is 3806443897. The reversal of 3806443850 is 583446083.

It is a happy number.

3806443850 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 = 3806443798 and 3806443807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 19321952 + ... + 19322148.

It is an arithmetic number, because the mean of its divisors is an integer number (58096170).

Almost surely, 2^3806443850 is an apocalyptic number.

3806443850 is an abundant number, since it is smaller than the sum of its proper divisors (4559404630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3806443850 is a wasteful number, since it uses less digits than its factorization.

3806443850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 41.

The square root of 3806443850 is about 61696.3844159445. The cubic root of 3806443850 is about 1561.3723199853.

The spelling of 3806443850 in words is "three billion, eight hundred six million, four hundred forty-three thousand, eight hundred fifty".