243462469 has 8 divisors (see below), whose sum is σ = 249623640. Its totient is φ = 237312000.

The previous prime is 243462467. The next prime is 243462473. The reversal of 243462469 is 964264342.

It can be written as a sum of positive squares in 4 ways, for example, as 29571844 + 213890625 = 5438^2 + 14625^2 .

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 243462469 - 2¹ = 243462467 is a prime.

It is a super-2 number, since 2×243462469² = 118547947623151922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243462463) by changing a digit.

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, 63787 + ... + 67495.

It is an arithmetic number, because the mean of its divisors is an integer number (31202955).

Almost surely, 2^243462469 is an apocalyptic number.

It is an amenable number.

243462469 is a deficient number, since it is larger than the sum of its proper divisors (6161171).

243462469 is a wasteful number, since it uses less digits than its factorization.

243462469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5351.

The product of its digits is 248832, while the sum is 40.

The square root of 243462469 is about 15603.2839171759. The cubic root of 243462469 is about 624.4207702344.

The spelling of 243462469 in words is "two hundred forty-three million, four hundred sixty-two thousand, four hundred sixty-nine".