1838684748 has 12 divisors (see below), whose sum is σ = 4290264440. Its totient is φ = 612894912.

The previous prime is 1838684747. The next prime is 1838684779. The reversal of 1838684748 is 8474868381.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1838684747) 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, 76611853 + ... + 76611876.

Almost surely, 2^1838684748 is an apocalyptic number.

It is an amenable number.

1838684748 is an abundant number, since it is smaller than the sum of its proper divisors (2451579692).

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

1838684748 is a wasteful number, since it uses less digits than its factorization.

1838684748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153223736 (or 153223734 counting only the distinct ones).

The product of its digits is 8257536, while the sum is 57.

The square root of 1838684748 is about 42879.8874532105. The cubic root of 1838684748 is about 1225.0930925783.

The spelling of 1838684748 in words is "one billion, eight hundred thirty-eight million, six hundred eighty-four thousand, seven hundred forty-eight".