243476994 has 8 divisors (see below), whose sum is σ = 486954000. Its totient is φ = 81158996.

The previous prime is 243476977. The next prime is 243477041. The reversal of 243476994 is 499674342.

It is a sphenic number, since it is the product of 3 distinct primes.

243476994 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20289744 + ... + 20289755.

It is an arithmetic number, because the mean of its divisors is an integer number (60869250).

Almost surely, 2^243476994 is an apocalyptic number.

243476994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

243476994 is a wasteful number, since it uses less digits than its factorization.

243476994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40579504.

The product of its digits is 1306368, while the sum is 48.

The square root of 243476994 is about 15603.7493571257. The cubic root of 243476994 is about 624.4331876601.

The spelling of 243476994 in words is "two hundred forty-three million, four hundred seventy-six thousand, nine hundred ninety-four".