2989900800 has 396 divisors, whose sum is σ = 11285192880. Its totient is φ = 754237440.

The previous prime is 2989900751. The next prime is 2989900807. The reversal of 2989900800 is 80099892.

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

It is not an unprimeable number, because it can be changed into a prime (2989900807) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4377259 + ... + 4377941.

Almost surely, 2^2989900800 is an apocalyptic number.

2989900800 is a gapful number since it is divisible by the number (20) 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 2989900800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5642596440).

2989900800 is an abundant number, since it is smaller than the sum of its proper divisors (8295292080).

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

2989900800 is a wasteful number, since it uses less digits than its factorization.

2989900800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738 (or 712 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 2989900800 is about 54679.9853694201. The cubic root of 2989900800 is about 1440.6293545291.

The spelling of 2989900800 in words is "two billion, nine hundred eighty-nine million, nine hundred thousand, eight hundred".