1938826827 has 16 divisors (see below), whose sum is σ = 3282670080. Its totient is φ = 1107900936.

The previous prime is 1938826811. The next prime is 1938826847. The reversal of 1938826827 is 7286288391.

It is a happy number.

It is not a de Polignac number, because 1938826827 - 2⁴ = 1938826811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1938826807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5128983 + ... + 5129360.

It is an arithmetic number, because the mean of its divisors is an integer number (205166880).

Almost surely, 2^1938826827 is an apocalyptic number.

1938826827 is a deficient number, since it is larger than the sum of its proper divisors (1343843253).

1938826827 is a wasteful number, since it uses less digits than its factorization.

1938826827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10258359 (or 10258353 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 1938826827 is about 44032.1113166289. Note that the first 3 decimals coincide. The cubic root of 1938826827 is about 1246.9422493211.

The spelling of 1938826827 in words is "one billion, nine hundred thirty-eight million, eight hundred twenty-six thousand, eight hundred twenty-seven".