243020992 has 14 divisors (see below), whose sum is σ = 482244908. Its totient is φ = 121510464.

The previous prime is 243020927. The next prime is 243021007. The reversal of 243020992 is 299020342.

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 as a sum of consecutive naturals, namely, 1898538 + ... + 1898665.

Almost surely, 2^243020992 is an apocalyptic number.

It is an amenable number.

243020992 is a deficient number, since it is larger than the sum of its proper divisors (239223916).

243020992 is an equidigital number, since it uses as much as digits as its factorization.

243020992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3797215 (or 3797205 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 243020992 is about 15589.1305722930. The cubic root of 243020992 is about 624.0431155832.

The spelling of 243020992 in words is "two hundred forty-three million, twenty thousand, nine hundred ninety-two".