1830949028 has 18 divisors (see below), whose sum is σ = 3393294786. Its totient is φ = 861457024.

The previous prime is 1830949027. The next prime is 1830949037. The reversal of 1830949028 is 8209490381.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1032208384 + 798740644 = 32128^2 + 28262^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1830949028.

It is not an unprimeable number, because it can be changed into a prime (1830949027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 350258 + ... + 355446.

It is an arithmetic number, because the mean of its divisors is an integer number (188516377).

Almost surely, 2^1830949028 is an apocalyptic number.

It is an amenable number.

1830949028 is a deficient number, since it is larger than the sum of its proper divisors (1562345758).

1830949028 is an frugal number, since it uses more digits than its factorization.

1830949028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10399 (or 5208 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 1830949028 is about 42789.5901826601. The cubic root of 1830949028 is about 1223.3726057244.

The spelling of 1830949028 in words is "one billion, eight hundred thirty million, nine hundred forty-nine thousand, twenty-eight".