243556104 has 32 divisors (see below), whose sum is σ = 664244640. Its totient is φ = 73804800.

The previous prime is 243556099. The next prime is 243556111. The reversal of 243556104 is 401655342.

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, 461017 + ... + 461544.

It is an arithmetic number, because the mean of its divisors is an integer number (20757645).

Almost surely, 2^243556104 is an apocalyptic number.

243556104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

243556104 is an abundant number, since it is smaller than the sum of its proper divisors (420688536).

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

243556104 is a wasteful number, since it uses less digits than its factorization.

243556104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922581 (or 922577 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 243556104 is about 15606.2841189054. The cubic root of 243556104 is about 624.5008101480.

The spelling of 243556104 in words is "two hundred forty-three million, five hundred fifty-six thousand, one hundred four".