972623686 has 16 divisors (see below), whose sum is σ = 1546235136. Its totient is φ = 457266816.

The previous prime is 972623681. The next prime is 972623719. The reversal of 972623686 is 686326279.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972623681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23800 + ... + 50116.

It is an arithmetic number, because the mean of its divisors is an integer number (96639696).

Almost surely, 2^972623686 is an apocalyptic number.

972623686 is a deficient number, since it is larger than the sum of its proper divisors (573611450).

972623686 is a wasteful number, since it uses less digits than its factorization.

972623686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27423.

The product of its digits is 1306368, while the sum is 49.

The square root of 972623686 is about 31186.9153011323. The cubic root of 972623686 is about 990.7899982784.

The spelling of 972623686 in words is "nine hundred seventy-two million, six hundred twenty-three thousand, six hundred eighty-six".