243828342 has 48 divisors (see below), whose sum is σ = 541326240. Its totient is φ = 79296000.

The previous prime is 243828329. The next prime is 243828367.

It is a happy number.

243828342 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 243828297 and 243828306.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 128134 + ... + 130022.

It is an arithmetic number, because the mean of its divisors is an integer number (11277630).

Almost surely, 2^243828342 is an apocalyptic number.

243828342 is an abundant number, since it is smaller than the sum of its proper divisors (297497898).

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

243828342 is a wasteful number, since it uses less digits than its factorization.

243828342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2069 (or 2066 counting only the distinct ones).

The product of its digits is 73728, while the sum is 36.

The square root of 243828342 is about 15615.0037463972. The cubic root of 243828342 is about 624.7334048060.

The spelling of 243828342 in words is "two hundred forty-three million, eight hundred twenty-eight thousand, three hundred forty-two".