8971963 has 16 divisors (see below), whose sum is σ = 12047616. Its totient is φ = 6452640.

The previous prime is 8971943. The next prime is 8971969. The reversal of 8971963 is 3691798.

It is a cyclic number.

It is not a de Polignac number, because 8971963 - 2¹³ = 8963771 is a prime.

It is a super-2 number, since 2×8971963² = 160992240146738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8971969) 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 in 15 ways as a sum of consecutive naturals, for example, 3481 + ... + 5482.

It is an arithmetic number, because the mean of its divisors is an integer number (752976).

Almost surely, 2^8971963 is an apocalyptic number.

8971963 is a deficient number, since it is larger than the sum of its proper divisors (3075653).

8971963 is a wasteful number, since it uses less digits than its factorization.

8971963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8994.

The product of its digits is 81648, while the sum is 43.

The square root of 8971963 is about 2995.3235217585. The cubic root of 8971963 is about 207.7921601779.

The spelling of 8971963 in words is "eight million, nine hundred seventy-one thousand, nine hundred sixty-three".