289180942 has 8 divisors (see below), whose sum is σ = 443000736. Its totient is φ = 141514032.

The previous prime is 289180939. The next prime is 289180943. The reversal of 289180942 is 249081982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289180943) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1538103 + ... + 1538290.

It is an arithmetic number, because the mean of its divisors is an integer number (55375092).

Almost surely, 2^289180942 is an apocalyptic number.

289180942 is a deficient number, since it is larger than the sum of its proper divisors (153819794).

289180942 is a wasteful number, since it uses less digits than its factorization.

289180942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3076442.

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

The square root of 289180942 is about 17005.3209907958. The cubic root of 289180942 is about 661.2868541488.

The spelling of 289180942 in words is "two hundred eighty-nine million, one hundred eighty thousand, nine hundred forty-two".