289791094 has 4 divisors (see below), whose sum is σ = 434686644. Its totient is φ = 144895546.

The previous prime is 289791091. The next prime is 289791101. The reversal of 289791094 is 490197982.

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

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289791091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72447772 + ... + 72447775.

It is an arithmetic number, because the mean of its divisors is an integer number (108671661).

Almost surely, 2^289791094 is an apocalyptic number.

289791094 is a deficient number, since it is larger than the sum of its proper divisors (144895550).

289791094 is a wasteful number, since it uses less digits than its factorization.

289791094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144895549.

The product of its (nonzero) digits is 326592, while the sum is 49.

The square root of 289791094 is about 17023.2515695445. The cubic root of 289791094 is about 661.7516174332.

The spelling of 289791094 in words is "two hundred eighty-nine million, seven hundred ninety-one thousand, ninety-four".