243457794 has 24 divisors (see below), whose sum is σ = 530150400. Its totient is φ = 80743608.

The previous prime is 243457789. The next prime is 243457801. The reversal of 243457794 is 497754342.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 30402 + ... + 37565.

It is an arithmetic number, because the mean of its divisors is an integer number (22089600).

Almost surely, 2^243457794 is an apocalyptic number.

243457794 is an abundant number, since it is smaller than the sum of its proper divisors (286692606).

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

243457794 is a wasteful number, since it uses less digits than its factorization.

243457794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68174 (or 68171 counting only the distinct ones).

The product of its digits is 846720, while the sum is 45.

The square root of 243457794 is about 15603.1341082489. The cubic root of 243457794 is about 624.4167734709.

The spelling of 243457794 in words is "two hundred forty-three million, four hundred fifty-seven thousand, seven hundred ninety-four".