1838874216 has 16 divisors (see below), whose sum is σ = 4597185600. Its totient is φ = 612958064.

The previous prime is 1838874209. The next prime is 1838874217. The reversal of 1838874216 is 6124788381.

It is a super-2 number, since 2×1838874216² = 6762916764539229312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1838874217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38309856 + ... + 38309903.

It is an arithmetic number, because the mean of its divisors is an integer number (287324100).

Almost surely, 2^1838874216 is an apocalyptic number.

It is an amenable number.

1838874216 is an abundant number, since it is smaller than the sum of its proper divisors (2758311384).

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

1838874216 is a wasteful number, since it uses less digits than its factorization.

1838874216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76619768 (or 76619764 counting only the distinct ones).

The product of its digits is 516096, while the sum is 48.

The square root of 1838874216 is about 42882.0966838143. The cubic root of 1838874216 is about 1225.1351712010.

The spelling of 1838874216 in words is "one billion, eight hundred thirty-eight million, eight hundred seventy-four thousand, two hundred sixteen".