243200850 has 96 divisors (see below), whose sum is σ = 634780800. Its totient is φ = 61501440.

The previous prime is 243200813. The next prime is 243200851. The reversal of 243200850 is 58002342.

It is a self number, because there is not a number n which added to its sum of digits gives 243200850.

It is not an unprimeable number, because it can be changed into a prime (243200851) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 541426 + ... + 541874.

It is an arithmetic number, because the mean of its divisors is an integer number (6612300).

Almost surely, 2^243200850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243200850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317390400).

243200850 is an abundant number, since it is smaller than the sum of its proper divisors (391579950).

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

243200850 is a wasteful number, since it uses less digits than its factorization.

243200850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644 (or 639 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 243200850 is about 15594.8982042205. The cubic root of 243200850 is about 624.1970274847.

The spelling of 243200850 in words is "two hundred forty-three million, two hundred thousand, eight hundred fifty".