1830321400 has 24 divisors (see below), whose sum is σ = 4255497720. Its totient is φ = 732128480.

The previous prime is 1830321391. The next prime is 1830321403. The reversal of 1830321400 is 41230381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1830321403) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 4575604 + ... + 4576003.

It is an arithmetic number, because the mean of its divisors is an integer number (177312405).

Almost surely, 2^1830321400 is an apocalyptic number.

1830321400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1830321400 is an abundant number, since it is smaller than the sum of its proper divisors (2425176320).

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

1830321400 is a wasteful number, since it uses less digits than its factorization.

1830321400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9151623 (or 9151614 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1830321400 is about 42782.2556675078. The cubic root of 1830321400 is about 1223.2328037892.

Adding to 1830321400 its reverse (41230381), we get a palindrome (1871551781).

The spelling of 1830321400 in words is "one billion, eight hundred thirty million, three hundred twenty-one thousand, four hundred".