1938229852 has 24 divisors (see below), whose sum is σ = 3704272992. Its totient is φ = 881966400.

The previous prime is 1938229829. The next prime is 1938229883. The reversal of 1938229852 is 2589228391.

It is a junction number, because it is equal to n+sod(n) for n = 1938229796 and 1938229805.

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, 258799 + ... + 266182.

It is an arithmetic number, because the mean of its divisors is an integer number (154344708).

Almost surely, 2^1938229852 is an apocalyptic number.

It is an amenable number.

1938229852 is a deficient number, since it is larger than the sum of its proper divisors (1766043140).

1938229852 is a wasteful number, since it uses less digits than its factorization.

1938229852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525069 (or 525067 counting only the distinct ones).

The product of its digits is 622080, while the sum is 49.

The square root of 1938229852 is about 44025.3319351484. The cubic root of 1938229852 is about 1246.8142561531.

The spelling of 1938229852 in words is "one billion, nine hundred thirty-eight million, two hundred twenty-nine thousand, eight hundred fifty-two".