1838798976 has 128 divisors (see below), whose sum is σ = 5762396160. Its totient is φ = 508400640.

The previous prime is 1838798947. The next prime is 1838798977. The reversal of 1838798976 is 6798978381.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (1838798977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72295 + ... + 94361.

It is an arithmetic number, because the mean of its divisors is an integer number (45018720).

Almost surely, 2^1838798976 is an apocalyptic number.

1838798976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1838798976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2881198080).

1838798976 is an abundant number, since it is smaller than the sum of its proper divisors (3923597184).

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

1838798976 is a wasteful number, since it uses less digits than its factorization.

1838798976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22122 (or 22110 counting only the distinct ones).

The product of its digits is 36578304, while the sum is 66.

The square root of 1838798976 is about 42881.2193856471. The cubic root of 1838798976 is about 1225.1184616247.

The spelling of 1838798976 in words is "one billion, eight hundred thirty-eight million, seven hundred ninety-eight thousand, nine hundred seventy-six".