2146993800 has 288 divisors, whose sum is σ = 7828516800. Its totient is φ = 485291520.

The previous prime is 2146993799. The next prime is 2146993813. The reversal of 2146993800 is 83996412.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 71 ways as a sum of consecutive naturals, for example, 3027846 + ... + 3028554.

It is an arithmetic number, because the mean of its divisors is an integer number (27182350).

Almost surely, 2^2146993800 is an apocalyptic number.

2146993800 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 2146993800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3914258400).

2146993800 is an abundant number, since it is smaller than the sum of its proper divisors (5681523000).

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

2146993800 is a wasteful number, since it uses less digits than its factorization.

2146993800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845 (or 829 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 2146993800 is about 46335.6644497519. The cubic root of 2146993800 is about 1290.0610511338.

The spelling of 2146993800 in words is "two billion, one hundred forty-six million, nine hundred ninety-three thousand, eight hundred".