8678961 has 8 divisors (see below), whose sum is σ = 12857760. Its totient is φ = 5785956.

The previous prime is 8678951. The next prime is 8678963. The reversal of 8678961 is 1698768.

It is a happy number.

It is not a de Polignac number, because 8678961 - 2⁷ = 8678833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8678963) 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, 160695 + ... + 160748.

It is an arithmetic number, because the mean of its divisors is an integer number (1607220).

Almost surely, 2^8678961 is an apocalyptic number.

It is an amenable number.

8678961 is a deficient number, since it is larger than the sum of its proper divisors (4178799).

8678961 is a wasteful number, since it uses less digits than its factorization.

8678961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321452 (or 321446 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 8678961 is about 2946.0076374646. The cubic root of 8678961 is about 205.5050880513.

Subtracting from 8678961 its sum of digits (45), we obtain a square (8678916 = 2946²).

The spelling of 8678961 in words is "eight million, six hundred seventy-eight thousand, nine hundred sixty-one".