283800380 has 96 divisors (see below), whose sum is σ = 661348800. Its totient is φ = 101814272.

The previous prime is 283800373. The next prime is 283800403. The reversal of 283800380 is 83008382.

283800380 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1054886 + ... + 1055154.

It is an arithmetic number, because the mean of its divisors is an integer number (6889050).

Almost surely, 2^283800380 is an apocalyptic number.

283800380 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 283800380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (330674400).

283800380 is an abundant number, since it is smaller than the sum of its proper divisors (377548420).

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

283800380 is a wasteful number, since it uses less digits than its factorization.

283800380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431 (or 429 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 283800380 is about 16846.3758713855. The cubic root of 283800380 is about 657.1598031907.

The spelling of 283800380 in words is "two hundred eighty-three million, eight hundred thousand, three hundred eighty".