243480826 has 8 divisors (see below), whose sum is σ = 365362164. Its totient is φ = 121693440.

The previous prime is 243480803. The next prime is 243480827. The reversal of 243480826 is 628084342.

It can be written as a sum of positive squares in 2 ways, for example, as 166023225 + 77457601 = 12885^2 + 8801^2 .

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

It is not an unprimeable number, because it can be changed into a prime (243480827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16605 + ... + 27616.

Almost surely, 2^243480826 is an apocalyptic number.

243480826 is a deficient number, since it is larger than the sum of its proper divisors (121881338).

243480826 is a wasteful number, since it uses less digits than its factorization.

243480826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46976.

The product of its (nonzero) digits is 73728, while the sum is 37.

The square root of 243480826 is about 15603.8721476434. The cubic root of 243480826 is about 624.4364635554.

The spelling of 243480826 in words is "two hundred forty-three million, four hundred eighty thousand, eight hundred twenty-six".