8615971 has 16 divisors (see below), whose sum is σ = 10757824. Its totient is φ = 6718464.

The previous prime is 8615963. The next prime is 8615983. The reversal of 8615971 is 1795168.

8615971 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a 10-Lehmer number, since φ(8615971) divides (8615971-1)¹⁰.

It is a cyclic number.

It is not a de Polignac number, because 8615971 - 2³ = 8615963 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8615971.

It is not an unprimeable number, because it can be changed into a prime (8615941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5995 + ... + 7291.

It is an arithmetic number, because the mean of its divisors is an integer number (672364).

Almost surely, 2^8615971 is an apocalyptic number.

8615971 is a deficient number, since it is larger than the sum of its proper divisors (2141853).

8615971 is a wasteful number, since it uses less digits than its factorization.

8615971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390.

The product of its digits is 15120, while the sum is 37.

The square root of 8615971 is about 2935.2974295631. The cubic root of 8615971 is about 205.0067100719.

The spelling of 8615971 in words is "eight million, six hundred fifteen thousand, nine hundred seventy-one".