243950 has 48 divisors (see below), whose sum is σ = 562464. Its totient is φ = 76800.

The previous prime is 243931. The next prime is 243953. The reversal of 243950 is 59342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243953) by changing a digit.

243950 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5930 + ... + 5970.

It is an arithmetic number, because the mean of its divisors is an integer number (11718).

2²⁴³⁹⁵⁰ is an apocalyptic number.

243950 is an abundant number, since it is smaller than the sum of its proper divisors (318514).

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

243950 is a wasteful number, since it uses less digits than its factorization.

243950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 243950 is about 493.9129477955. The cubic root of 243950 is about 62.4837290978.

The spelling of 243950 in words is "two hundred forty-three thousand, nine hundred fifty".