289810942 has 4 divisors (see below), whose sum is σ = 434716416. Its totient is φ = 144905470.

The previous prime is 289810931. The next prime is 289810991. The reversal of 289810942 is 249018982.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72452734 + ... + 72452737.

It is an arithmetic number, because the mean of its divisors is an integer number (108679104).

Almost surely, 2^289810942 is an apocalyptic number.

289810942 is a deficient number, since it is larger than the sum of its proper divisors (144905474).

289810942 is a wasteful number, since it uses less digits than its factorization.

289810942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144905473.

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 289810942 is about 17023.8345269214. The cubic root of 289810942 is about 661.7667250361.

The spelling of 289810942 in words is "two hundred eighty-nine million, eight hundred ten thousand, nine hundred forty-two".