1830849500 has 72 divisors (see below), whose sum is σ = 4218636240. Its totient is φ = 692215200.

The previous prime is 1830849499. The next prime is 1830849509. The reversal of 1830849500 is 59480381.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1830849509) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4170281 + ... + 4170719.

It is an arithmetic number, because the mean of its divisors is an integer number (58592170).

Almost surely, 2^1830849500 is an apocalyptic number.

1830849500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1830849500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2109318120).

1830849500 is an abundant number, since it is smaller than the sum of its proper divisors (2387786740).

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

1830849500 is an equidigital number, since it uses as much as digits as its factorization.

1830849500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916 (or 465 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 1830849500 is about 42788.4271737114. The cubic root of 1830849500 is about 1223.3504383432.

The spelling of 1830849500 in words is "one billion, eight hundred thirty million, eight hundred forty-nine thousand, five hundred".