972089 has 4 divisors (see below), whose sum is σ = 974820. Its totient is φ = 969360.

The previous prime is 972079. The next prime is 972091. The reversal of 972089 is 980279.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 980279 = 47 ⋅20857.

It can be written as a sum of positive squares in 2 ways, for example, as 319225 + 652864 = 565^2 + 808^2 .

It is a cyclic number.

It is not a de Polignac number, because 972089 - 2⁸ = 971833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (972029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 734 + ... + 1575.

It is an arithmetic number, because the mean of its divisors is an integer number (243705).

2⁹⁷²⁰⁸⁹ is an apocalyptic number.

It is an amenable number.

972089 is a deficient number, since it is larger than the sum of its proper divisors (2731).

972089 is a wasteful number, since it uses less digits than its factorization.

972089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2730.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 972089 is about 985.9457388721. The cubic root of 972089 is about 99.0608407442.

The spelling of 972089 in words is "nine hundred seventy-two thousand, eighty-nine".