1830973290 has 32 divisors (see below), whose sum is σ = 4545866880. Its totient is φ = 471422784.

The previous prime is 1830973271. The next prime is 1830973307. The reversal of 1830973290 is 923790381.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1051414 + ... + 1053153.

It is an arithmetic number, because the mean of its divisors is an integer number (142058340).

Almost surely, 2^1830973290 is an apocalyptic number.

1830973290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1830973290 is an abundant number, since it is smaller than the sum of its proper divisors (2714893590).

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

1830973290 is a wasteful number, since it uses less digits than its factorization.

1830973290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2104606.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 1830973290 is about 42789.8736852541. The cubic root of 1830973290 is about 1223.3780093583.

The spelling of 1830973290 in words is "one billion, eight hundred thirty million, nine hundred seventy-three thousand, two hundred ninety".