1849000000 has 147 divisors (see below), whose sum is σ = 4695467241. Its totient is φ = 722400000.

The previous prime is 1848999989. The next prime is 1849000003. The reversal of 1849000000 is 9481.

The square root of 1849000000 is 43000.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 3 ways, for example, as 1619901504 + 229098496 = 40248^2 + 15136^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1849000003) 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 20 ways as a sum of consecutive naturals, for example, 42999979 + ... + 43000021.

Almost surely, 2^1849000000 is an apocalyptic number.

1849000000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1849000000 is the 43000-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1849000000

1849000000 is an abundant number, since it is smaller than the sum of its proper divisors (2846467241).

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

1849000000 is an frugal number, since it uses more digits than its factorization.

1849000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128 (or 50 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The cubic root of 1849000000 is about 1227.3797969521.

Adding to 1849000000 its reverse (9481), we get a palindrome (1849009481).

The spelling of 1849000000 in words is "one billion, eight hundred forty-nine million", and thus it is an aban number.