243904092 has 48 divisors (see below), whose sum is σ = 585742752. Its totient is φ = 78956800.

The previous prime is 243904069. The next prime is 243904093. The reversal of 243904092 is 290409342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243904093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62338 + ... + 66134.

It is an arithmetic number, because the mean of its divisors is an integer number (12202974).

Almost surely, 2^243904092 is an apocalyptic number.

It is an amenable number.

243904092 is an abundant number, since it is smaller than the sum of its proper divisors (341838660).

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

243904092 is a wasteful number, since it uses less digits than its factorization.

243904092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3958 (or 3956 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 243904092 is about 15617.4291098119. The cubic root of 243904092 is about 624.7980932876.

It can be divided in two parts, 24390 and 4092, that added together give a palindrome (28482).

The spelling of 243904092 in words is "two hundred forty-three million, nine hundred four thousand, ninety-two".