243479406 has 16 divisors (see below), whose sum is σ = 515603664. Its totient is φ = 76385664.

The previous prime is 243479381. The next prime is 243479413. The reversal of 243479406 is 604974342.

243479406 = 300² + 301² + ... + 911².

It is a super-2 number, since 2×243479406² = 118564442292225672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1193425 + ... + 1193628.

It is an arithmetic number, because the mean of its divisors is an integer number (32225229).

Almost surely, 2^243479406 is an apocalyptic number.

243479406 is an abundant number, since it is smaller than the sum of its proper divisors (272124258).

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

243479406 is a wasteful number, since it uses less digits than its factorization.

243479406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2387075.

The product of its (nonzero) digits is 145152, while the sum is 39.

The square root of 243479406 is about 15603.8266460506. The cubic root of 243479406 is about 624.4352496316.

The spelling of 243479406 in words is "two hundred forty-three million, four hundred seventy-nine thousand, four hundred six".