43285000 has 80 divisors (see below), whose sum is σ = 110777040. Its totient is φ = 15720000.

The previous prime is 43284977. The next prime is 43285001. The reversal of 43285000 is 58234.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (43285001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 54607 + ... + 55393.

It is an arithmetic number, because the mean of its divisors is an integer number (1384713).

Almost surely, 2^43285000 is an apocalyptic number.

43285000 is a gapful number since it is divisible by the number (40) 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 43285000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55388520).

43285000 is an abundant number, since it is smaller than the sum of its proper divisors (67492040).

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

43285000 is a wasteful number, since it uses less digits than its factorization.

43285000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824 (or 805 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 43285000 is about 6579.1336815724. The cubic root of 43285000 is about 351.1121088413.

The spelling of 43285000 in words is "forty-three million, two hundred eighty-five thousand".