243467420 has 48 divisors (see below), whose sum is σ = 609735168. Its totient is φ = 79844160.

The previous prime is 243467407. The next prime is 243467429. The reversal of 243467420 is 24764342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243467429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34586 + ... + 41025.

It is an arithmetic number, because the mean of its divisors is an integer number (12702816).

Almost surely, 2^243467420 is an apocalyptic number.

243467420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243467420 is an abundant number, since it is smaller than the sum of its proper divisors (366267748).

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

243467420 is a wasteful number, since it uses less digits than its factorization.

243467420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75650 (or 75648 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 32.

The square root of 243467420 is about 15603.4425688692. The cubic root of 243467420 is about 624.4250029009.

The spelling of 243467420 in words is "two hundred forty-three million, four hundred sixty-seven thousand, four hundred twenty".