1839020212 has 6 divisors (see below), whose sum is σ = 3218285378. Its totient is φ = 919510104.

The previous prime is 1839020207. The next prime is 1839020219. The reversal of 1839020212 is 2120209381.

It can be written as a sum of positive squares in only one way, i.e., 1736888976 + 102131236 = 41676^2 + 10106^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1839020219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 229877523 + ... + 229877530.

Almost surely, 2^1839020212 is an apocalyptic number.

It is an amenable number.

1839020212 is a deficient number, since it is larger than the sum of its proper divisors (1379265166).

1839020212 is a wasteful number, since it uses less digits than its factorization.

1839020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459755057 (or 459755055 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 1839020212 is about 42883.7989455225. The cubic root of 1839020212 is about 1225.1675932303.

Adding to 1839020212 its reverse (2120209381), we get a palindrome (3959229593).

The spelling of 1839020212 in words is "one billion, eight hundred thirty-nine million, twenty thousand, two hundred twelve".