289622 has 8 divisors (see below), whose sum is σ = 437400. Its totient is φ = 143824.

The previous prime is 289607. The next prime is 289637. The reversal of 289622 is 226982.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (289607) and next prime (289637).

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

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 289622.

It is an unprimeable number.

289622 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47 + ... + 762.

It is an arithmetic number, because the mean of its divisors is an integer number (54675).

2²⁸⁹⁶²² is an apocalyptic number.

289622 is a deficient number, since it is larger than the sum of its proper divisors (147778).

289622 is a wasteful number, since it uses less digits than its factorization.

289622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990.

The product of its digits is 3456, while the sum is 29.

The square root of 289622 is about 538.1654020838. The cubic root of 289622 is about 66.1622881019.

The spelling of 289622 in words is "two hundred eighty-nine thousand, six hundred twenty-two".