243478046 has 64 divisors (see below), whose sum is σ = 485637120. Its totient is φ = 88957440.

The previous prime is 243478021. The next prime is 243478111. The reversal of 243478046 is 640874342.

243478046 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102836 + ... + 105176.

It is an arithmetic number, because the mean of its divisors is an integer number (7588080).

Almost surely, 2^243478046 is an apocalyptic number.

243478046 is a deficient number, since it is larger than the sum of its proper divisors (242159074).

243478046 is a wasteful number, since it uses less digits than its factorization.

243478046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2409.

The product of its (nonzero) digits is 129024, while the sum is 38.

The square root of 243478046 is about 15603.7830669360. The cubic root of 243478046 is about 624.4340869959.

The spelling of 243478046 in words is "two hundred forty-three million, four hundred seventy-eight thousand, forty-six".