1948843806 has 32 divisors (see below), whose sum is σ = 4797155328. Its totient is φ = 513980640.

The previous prime is 1948843733. The next prime is 1948843817. The reversal of 1948843806 is 6083488491.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1784110 + ... + 1785201.

It is an arithmetic number, because the mean of its divisors is an integer number (149911104).

Almost surely, 2^1948843806 is an apocalyptic number.

1948843806 is an abundant number, since it is smaller than the sum of its proper divisors (2848311522).

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

1948843806 is a wasteful number, since it uses less digits than its factorization.

1948843806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3569336.

The product of its (nonzero) digits is 1327104, while the sum is 51.

The square root of 1948843806 is about 44145.7110714053. The cubic root of 1948843806 is about 1249.0860104747.

The spelling of 1948843806 in words is "one billion, nine hundred forty-eight million, eight hundred forty-three thousand, eight hundred six".