243041628 has 12 divisors (see below), whose sum is σ = 567097160. Its totient is φ = 81013872.

The previous prime is 243041587. The next prime is 243041647. The reversal of 243041628 is 826140342.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 243041595 and 243041604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10126723 + ... + 10126746.

Almost surely, 2^243041628 is an apocalyptic number.

It is an amenable number.

243041628 is an abundant number, since it is smaller than the sum of its proper divisors (324055532).

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

243041628 is a wasteful number, since it uses less digits than its factorization.

243041628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20253476 (or 20253474 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 243041628 is about 15589.7924296637. The cubic root of 243041628 is about 624.0607785145.

The spelling of 243041628 in words is "two hundred forty-three million, forty-one thousand, six hundred twenty-eight".