243949096 has 16 divisors (see below), whose sum is σ = 457982100. Its totient is φ = 121820544.

The previous prime is 243949081. The next prime is 243949171. The reversal of 243949096 is 690949342.

It can be written as a sum of positive squares in 2 ways, for example, as 243796996 + 152100 = 15614^2 + 390^2 .

It is a super-2 number, since 2×243949096² = 119022322878434432, 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 3 ways as a sum of consecutive naturals, for example, 12375 + ... + 25318.

Almost surely, 2^243949096 is an apocalyptic number.

It is an amenable number.

243949096 is a deficient number, since it is larger than the sum of its proper divisors (214033004).

243949096 is a wasteful number, since it uses less digits than its factorization.

243949096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38508 (or 38504 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 46.

The square root of 243949096 is about 15618.8698694880. The cubic root of 243949096 is about 624.8365191622.

The spelling of 243949096 in words is "two hundred forty-three million, nine hundred forty-nine thousand, ninety-six".