234999980 has 24 divisors (see below), whose sum is σ = 519474480. Its totient is φ = 89052480.

The previous prime is 234999977. The next prime is 235000001. The reversal of 234999980 is 89999432.

234999980 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308831 + ... + 309590.

It is an arithmetic number, because the mean of its divisors is an integer number (21644770).

Almost surely, 2^234999980 is an apocalyptic number.

234999980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234999980 is an abundant number, since it is smaller than the sum of its proper divisors (284474500).

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

234999980 is a wasteful number, since it uses less digits than its factorization.

234999980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618449 (or 618447 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 53.

The square root of 234999980 is about 15329.7090644278. The cubic root of 234999980 is about 617.1005617713.

The spelling of 234999980 in words is "two hundred thirty-four million, nine hundred ninety-nine thousand, nine hundred eighty".