243473652 has 36 divisors (see below), whose sum is σ = 618901920. Its totient is φ = 80702352.

The previous prime is 243473641. The next prime is 243473683. The reversal of 243473652 is 256374342.

243473652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12448 + ... + 25335.

It is an arithmetic number, because the mean of its divisors is an integer number (17191720).

Almost surely, 2^243473652 is an apocalyptic number.

It is an amenable number.

243473652 is an abundant number, since it is smaller than the sum of its proper divisors (375428268).

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

243473652 is a wasteful number, since it uses less digits than its factorization.

243473652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37972 (or 37967 counting only the distinct ones).

The product of its digits is 120960, while the sum is 36.

The square root of 243473652 is about 15603.6422671119. The cubic root of 243473652 is about 624.4303306273.

The spelling of 243473652 in words is "two hundred forty-three million, four hundred seventy-three thousand, six hundred fifty-two".