972615189 has 32 divisors (see below), whose sum is σ = 1639240960. Its totient is φ = 499156992.

The previous prime is 972615179. The next prime is 972615209. The reversal of 972615189 is 981516279.

It is not a de Polignac number, because 972615189 - 2¹¹ = 972613141 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972615139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38044 + ... + 58245.

It is an arithmetic number, because the mean of its divisors is an integer number (51226280).

Almost surely, 2^972615189 is an apocalyptic number.

It is an amenable number.

972615189 is a deficient number, since it is larger than the sum of its proper divisors (666625771).

972615189 is a wasteful number, since it uses less digits than its factorization.

972615189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96349.

The product of its digits is 272160, while the sum is 48.

The square root of 972615189 is about 31186.7790738319. The cubic root of 972615189 is about 990.7871130354.

The spelling of 972615189 in words is "nine hundred seventy-two million, six hundred fifteen thousand, one hundred eighty-nine".