289850242 has 16 divisors (see below), whose sum is σ = 474588864. Its totient is φ = 131670000.

The previous prime is 289850233. The next prime is 289850243. The reversal of 289850242 is 242058982.

It is a happy number.

289850242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 289850195 and 289850204.

It is not an unprimeable number, because it can be changed into a prime (289850243) by changing a digit.

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, 47992 + ... + 53692.

It is an arithmetic number, because the mean of its divisors is an integer number (29661804).

Almost surely, 2^289850242 is an apocalyptic number.

289850242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

289850242 is a deficient number, since it is larger than the sum of its proper divisors (184738622).

289850242 is a wasteful number, since it uses less digits than its factorization.

289850242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8025.

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 289850242 is about 17024.9887518318. The cubic root of 289850242 is about 661.7966367855.

It can be divided in two parts, 289850 and 242, that added together give a palindrome (290092).

The spelling of 289850242 in words is "two hundred eighty-nine million, eight hundred fifty thousand, two hundred forty-two".