243486534 has 16 divisors (see below), whose sum is σ = 487126080. Its totient is φ = 81136680.

The previous prime is 243486527. The next prime is 243486547. The reversal of 243486534 is 435684342.

243486534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 243486492 and 243486501.

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, 33477 + ... + 40095.

It is an arithmetic number, because the mean of its divisors is an integer number (30445380).

Almost surely, 2^243486534 is an apocalyptic number.

243486534 is an abundant number, since it is smaller than the sum of its proper divisors (243639546).

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

243486534 is a wasteful number, since it uses less digits than its factorization.

243486534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12755.

The product of its digits is 276480, while the sum is 39.

The square root of 243486534 is about 15604.0550498901. The cubic root of 243486534 is about 624.4413431395.

The spelling of 243486534 in words is "two hundred forty-three million, four hundred eighty-six thousand, five hundred thirty-four".