243862428 has 12 divisors (see below), whose sum is σ = 569012360. Its totient is φ = 81287472.

The previous prime is 243862427. The next prime is 243862429. The reversal of 243862428 is 824268342.

It is an interprime number because it is at equal distance from previous prime (243862427) and next prime (243862429).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243862427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10160923 + ... + 10160946.

Almost surely, 2^243862428 is an apocalyptic number.

It is an amenable number.

243862428 is an abundant number, since it is smaller than the sum of its proper divisors (325149932).

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

243862428 is a wasteful number, since it uses less digits than its factorization.

243862428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20321876 (or 20321874 counting only the distinct ones).

The product of its digits is 147456, while the sum is 39.

The square root of 243862428 is about 15616.0951585215. The cubic root of 243862428 is about 624.7625149995.

The spelling of 243862428 in words is "two hundred forty-three million, eight hundred sixty-two thousand, four hundred twenty-eight".