1838946216 has 16 divisors (see below), whose sum is σ = 4597365600. Its totient is φ = 612982064.

The previous prime is 1838946211. The next prime is 1838946223. The reversal of 1838946216 is 6126498381.

It is not an unprimeable number, because it can be changed into a prime (1838946211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38311356 + ... + 38311403.

It is an arithmetic number, because the mean of its divisors is an integer number (287335350).

Almost surely, 2^1838946216 is an apocalyptic number.

It is an amenable number.

1838946216 is an abundant number, since it is smaller than the sum of its proper divisors (2758419384).

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

1838946216 is a wasteful number, since it uses less digits than its factorization.

1838946216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76622768 (or 76622764 counting only the distinct ones).

The product of its digits is 497664, while the sum is 48.

The square root of 1838946216 is about 42882.9361867865. The cubic root of 1838946216 is about 1225.1511607995.

The spelling of 1838946216 in words is "one billion, eight hundred thirty-eight million, nine hundred forty-six thousand, two hundred sixteen".