972617208 has 16 divisors (see below), whose sum is σ = 2431543080. Its totient is φ = 324205728.

The previous prime is 972617203. The next prime is 972617237. The reversal of 972617208 is 802716279.

It is a super-3 number, since 3×972617208³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 972617208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972617203) 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, 20262835 + ... + 20262882.

Almost surely, 2^972617208 is an apocalyptic number.

It is an amenable number.

972617208 is an abundant number, since it is smaller than the sum of its proper divisors (1458925872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

972617208 is a wasteful number, since it uses less digits than its factorization.

972617208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40525726 (or 40525722 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 972617208 is about 31186.8114433008. The cubic root of 972617208 is about 990.7877986090.

The spelling of 972617208 in words is "nine hundred seventy-two million, six hundred seventeen thousand, two hundred eight".