972289 has 8 divisors (see below), whose sum is σ = 1006848. Its totient is φ = 938400.

The previous prime is 972277. The next prime is 972313. The reversal of 972289 is 982279.

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

It is a cyclic number.

It is not a de Polignac number, because 972289 - 2⁷ = 972161 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6364 + ... + 6514.

It is an arithmetic number, because the mean of its divisors is an integer number (125856).

2⁹⁷²²⁸⁹ is an apocalyptic number.

It is an amenable number.

972289 is a deficient number, since it is larger than the sum of its proper divisors (34559).

972289 is a wasteful number, since it uses less digits than its factorization.

972289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335.

The product of its digits is 18144, while the sum is 37.

The square root of 972289 is about 986.0471591156. The cubic root of 972289 is about 99.0676339526.

The spelling of 972289 in words is "nine hundred seventy-two thousand, two hundred eighty-nine".