1838349312 has 44 divisors (see below), whose sum is σ = 4899879336. Its totient is φ = 612782080.

The previous prime is 1838349311. The next prime is 1838349319. The reversal of 1838349312 is 2139438381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1838349311) 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, 296139 + ... + 302282.

It is an arithmetic number, because the mean of its divisors is an integer number (111360894).

Almost surely, 2^1838349312 is an apocalyptic number.

1838349312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1838349312 is an abundant number, since it is smaller than the sum of its proper divisors (3061530024).

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

1838349312 is an equidigital number, since it uses as much as digits as its factorization.

1838349312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598444 (or 598426 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 1838349312 is about 42875.9759305838. The cubic root of 1838349312 is about 1225.0185890835.

The spelling of 1838349312 in words is "one billion, eight hundred thirty-eight million, three hundred forty-nine thousand, three hundred twelve".