1938212204 has 6 divisors (see below), whose sum is σ = 3391871364. Its totient is φ = 969106100.

The previous prime is 1938212201. The next prime is 1938212209. The reversal of 1938212204 is 4022128391.

It is not an unprimeable number, because it can be changed into a prime (1938212201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242276522 + ... + 242276529.

It is an arithmetic number, because the mean of its divisors is an integer number (565311894).

Almost surely, 2^1938212204 is an apocalyptic number.

It is an amenable number.

1938212204 is a deficient number, since it is larger than the sum of its proper divisors (1453659160).

1938212204 is a wasteful number, since it uses less digits than its factorization.

1938212204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484553055 (or 484553053 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 1938212204 is about 44025.1315046304. The cubic root of 1938212204 is about 1246.8104719709.

The spelling of 1938212204 in words is "one billion, nine hundred thirty-eight million, two hundred twelve thousand, two hundred four".