243266000 has 40 divisors (see below), whose sum is σ = 588222024. Its totient is φ = 97305600.

The previous prime is 243265999. The next prime is 243266047. The reversal of 243266000 is 662342.

It can be written as a sum of positive squares in 4 ways, for example, as 3139984 + 240126016 = 1772^2 + 15496^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58817 + ... + 62816.

Almost surely, 2^243266000 is an apocalyptic number.

243266000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243266000 is an abundant number, since it is smaller than the sum of its proper divisors (344956024).

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

243266000 is a wasteful number, since it uses less digits than its factorization.

243266000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121656 (or 121640 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 243266000 is about 15596.9868884987. The cubic root of 243266000 is about 624.2527603019.

The spelling of 243266000 in words is "two hundred forty-three million, two hundred sixty-six thousand".