243474456 has 16 divisors (see below), whose sum is σ = 608686200. Its totient is φ = 81158144.

The previous prime is 243474437. The next prime is 243474457. The reversal of 243474456 is 654474342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243474457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5072361 + ... + 5072408.

Almost surely, 2^243474456 is an apocalyptic number.

It is an amenable number.

243474456 is an abundant number, since it is smaller than the sum of its proper divisors (365211744).

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

243474456 is a wasteful number, since it uses less digits than its factorization.

243474456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10144778 (or 10144774 counting only the distinct ones).

The product of its digits is 322560, while the sum is 39.

The square root of 243474456 is about 15603.6680303062. The cubic root of 243474456 is about 624.4310179590.

The spelling of 243474456 in words is "two hundred forty-three million, four hundred seventy-four thousand, four hundred fifty-six".