243090384 has 40 divisors (see below), whose sum is σ = 638634720. Its totient is φ = 79655808.

The previous prime is 243090359. The next prime is 243090401. The reversal of 243090384 is 483090342.

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, 40087 + ... + 45750.

It is an arithmetic number, because the mean of its divisors is an integer number (15965868).

Almost surely, 2^243090384 is an apocalyptic number.

243090384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

243090384 is an abundant number, since it is smaller than the sum of its proper divisors (395544336).

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

243090384 is a wasteful number, since it uses less digits than its factorization.

243090384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85907 (or 85901 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 243090384 is about 15591.3560667442. The cubic root of 243090384 is about 624.1025061713.

The spelling of 243090384 in words is "two hundred forty-three million, ninety thousand, three hundred eighty-four".