243487104 has 64 divisors (see below), whose sum is σ = 739165440. Its totient is φ = 69566976.

The previous prime is 243487099. The next prime is 243487133. The reversal of 243487104 is 401784342.

It is a tau number, because it is divible by the number of its divisors (64).

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, 42604 + ... + 47979.

It is an arithmetic number, because the mean of its divisors is an integer number (11549460).

Almost surely, 2^243487104 is an apocalyptic number.

243487104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

243487104 is an abundant number, since it is smaller than the sum of its proper divisors (495678336).

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

243487104 is an equidigital number, since it uses as much as digits as its factorization.

243487104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90607 (or 90595 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 243487104 is about 15604.0733143625. The cubic root of 243487104 is about 624.4418304098.

The spelling of 243487104 in words is "two hundred forty-three million, four hundred eighty-seven thousand, one hundred four".