972266 has 4 divisors (see below), whose sum is σ = 1458402. Its totient is φ = 486132.

The previous prime is 972263. The next prime is 972271. The reversal of 972266 is 662279.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 662279 = 181 ⋅3659.

It can be written as a sum of positive squares in only one way, i.e., 511225 + 461041 = 715^2 + 679^2 .

It is not an unprimeable number, because it can be changed into a prime (972263) 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 as a sum of consecutive naturals, namely, 243065 + ... + 243068.

2⁹⁷²²⁶⁶ is an apocalyptic number.

972266 is a deficient number, since it is larger than the sum of its proper divisors (486136).

972266 is a wasteful number, since it uses less digits than its factorization.

972266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486135.

The product of its digits is 9072, while the sum is 32.

The square root of 972266 is about 986.0354963185. The cubic root of 972266 is about 99.0668527810.

The spelling of 972266 in words is "nine hundred seventy-two thousand, two hundred sixty-six".