1899313304 has 96 divisors (see below), whose sum is σ = 4505453280. Its totient is φ = 745307136.

The previous prime is 1899313291. The next prime is 1899313349. The reversal of 1899313304 is 4033139981.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 242717 + ... + 250419.

It is an arithmetic number, because the mean of its divisors is an integer number (46931805).

Almost surely, 2^1899313304 is an apocalyptic number.

1899313304 is a gapful number since it is divisible by the number (14) 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 1899313304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2252726640).

1899313304 is an abundant number, since it is smaller than the sum of its proper divisors (2606139976).

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

1899313304 is a wasteful number, since it uses less digits than its factorization.

1899313304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7777 (or 7766 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 1899313304 is about 43581.1117802197. Note that the first 3 decimals coincide. The cubic root of 1899313304 is about 1238.4130983526.

The spelling of 1899313304 in words is "one billion, eight hundred ninety-nine million, three hundred thirteen thousand, three hundred four".