1804789350 has 480 divisors, whose sum is σ = 6352093440. Its totient is φ = 369826560.

The previous prime is 1804789339. The next prime is 1804789379. The reversal of 1804789350 is 539874081.

1804789350 is a `hidden beast` number, since 180 + 47 + 89 + 350 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1804789296 and 1804789305.

It is a congruent 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 239 ways as a sum of consecutive naturals, for example, 21744409 + ... + 21744491.

It is an arithmetic number, because the mean of its divisors is an integer number (13233528).

Almost surely, 2^1804789350 is an apocalyptic number.

1804789350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1804789350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3176046720).

1804789350 is an abundant number, since it is smaller than the sum of its proper divisors (4547304090).

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

1804789350 is a wasteful number, since it uses less digits than its factorization.

1804789350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 1804789350 is about 42482.8124069017. The cubic root of 1804789350 is about 1217.5183249128.

The spelling of 1804789350 in words is "one billion, eight hundred four million, seven hundred eighty-nine thousand, three hundred fifty".