1834664728 has 16 divisors (see below), whose sum is σ = 3704611680. Its totient is φ = 846768288.

The previous prime is 1834664717. The next prime is 1834664749. The reversal of 1834664728 is 8274664381.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8820400 + ... + 8820607.

It is an arithmetic number, because the mean of its divisors is an integer number (231538230).

Almost surely, 2^1834664728 is an apocalyptic number.

It is an amenable number.

1834664728 is an abundant number, since it is smaller than the sum of its proper divisors (1869946952).

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

1834664728 is a wasteful number, since it uses less digits than its factorization.

1834664728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17641026 (or 17641022 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 49.

The square root of 1834664728 is about 42832.9864473632. The cubic root of 1834664728 is about 1224.1996111010.

The spelling of 1834664728 in words is "one billion, eight hundred thirty-four million, six hundred sixty-four thousand, seven hundred twenty-eight".