243480715 has 8 divisors (see below), whose sum is σ = 309363840. Its totient is φ = 183326592.

The previous prime is 243480709. The next prime is 243480733. The reversal of 243480715 is 517084342.

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

It is a cyclic number.

It is not a de Polignac number, because 243480715 - 2⁹ = 243480203 is a prime.

It is a super-2 number, since 2×243480715² = 118565717153822450, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 1432155 + ... + 1432324.

It is an arithmetic number, because the mean of its divisors is an integer number (38670480).

Almost surely, 2^243480715 is an apocalyptic number.

243480715 is a deficient number, since it is larger than the sum of its proper divisors (65883125).

243480715 is a wasteful number, since it uses less digits than its factorization.

243480715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2864501.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 243480715 is about 15603.8685908335. The cubic root of 243480715 is about 624.4363686643.

The spelling of 243480715 in words is "two hundred forty-three million, four hundred eighty thousand, seven hundred fifteen".