8972971 has 4 divisors (see below), whose sum is σ = 10254832. Its totient is φ = 7691112.

The previous prime is 8972969. The next prime is 8972983. The reversal of 8972971 is 1792798.

It is a happy number.

8972971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8972971 - 2¹ = 8972969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8972371) 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, 640920 + ... + 640933.

It is an arithmetic number, because the mean of its divisors is an integer number (2563708).

Almost surely, 2^8972971 is an apocalyptic number.

8972971 is a deficient number, since it is larger than the sum of its proper divisors (1281861).

8972971 is a wasteful number, since it uses less digits than its factorization.

8972971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281860.

The product of its digits is 63504, while the sum is 43.

The square root of 8972971 is about 2995.4917793244. The cubic root of 8972971 is about 207.7999417025.

The spelling of 8972971 in words is "eight million, nine hundred seventy-two thousand, nine hundred seventy-one".