971634633 has 8 divisors (see below), whose sum is σ = 1295877696. Its totient is φ = 647574000.

The previous prime is 971634593. The next prime is 971634659. The reversal of 971634633 is 336436179.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 971634633 - 2⁶ = 971634569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (971630633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32653 + ... + 54858.

It is an arithmetic number, because the mean of its divisors is an integer number (161984712).

Almost surely, 2^971634633 is an apocalyptic number.

It is an amenable number.

971634633 is a deficient number, since it is larger than the sum of its proper divisors (324243063).

971634633 is a wasteful number, since it uses less digits than its factorization.

971634633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91215.

The product of its digits is 244944, while the sum is 42.

The square root of 971634633 is about 31171.0544094998. The cubic root of 971634633 is about 990.4540423180.

The spelling of 971634633 in words is "nine hundred seventy-one million, six hundred thirty-four thousand, six hundred thirty-three".