1813200896 has 60 divisors (see below), whose sum is σ = 3905695332. Its totient is φ = 836763648.

The previous prime is 1813200889. The next prime is 1813200953. The reversal of 1813200896 is 6980023181.

It can be written as a sum of positive squares in 2 ways, for example, as 1124663296 + 688537600 = 33536^2 + 26240^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208736 + ... + 217248.

Almost surely, 2^1813200896 is an apocalyptic number.

1813200896 is a gapful number since it is divisible by the number (16) 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 1813200896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1952847666).

1813200896 is an abundant number, since it is smaller than the sum of its proper divisors (2092494436).

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

1813200896 is an frugal number, since it uses more digits than its factorization.

1813200896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8554 (or 8528 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 1813200896 is about 42581.6967252363. The cubic root of 1813200896 is about 1219.4068818105.

The spelling of 1813200896 in words is "one billion, eight hundred thirteen million, two hundred thousand, eight hundred ninety-six".