8979886 has 4 divisors (see below), whose sum is σ = 13469832. Its totient is φ = 4489942.

The previous prime is 8979881. The next prime is 8979889. The reversal of 8979886 is 6889798.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6889798 = 2 ⋅3444899.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8979881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2244970 + ... + 2244973.

It is an arithmetic number, because the mean of its divisors is an integer number (3367458).

Almost surely, 2^8979886 is an apocalyptic number.

8979886 is a deficient number, since it is larger than the sum of its proper divisors (4489946).

8979886 is a wasteful number, since it uses less digits than its factorization.

8979886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4489945.

The product of its digits is 1741824, while the sum is 55.

The square root of 8979886 is about 2996.6457915476. The cubic root of 8979886 is about 207.8533081825.

The spelling of 8979886 in words is "eight million, nine hundred seventy-nine thousand, eight hundred eighty-six".