8915966 has 4 divisors (see below), whose sum is σ = 13373952. Its totient is φ = 4457982.

The previous prime is 8915953. The next prime is 8915981. The reversal of 8915966 is 6695198.

8915966 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, and also an emirpimes, since its reverse is a distinct semiprime: 6695198 = 2 ⋅3347599.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2228990 + ... + 2228993.

It is an arithmetic number, because the mean of its divisors is an integer number (3343488).

Almost surely, 2^8915966 is an apocalyptic number.

8915966 is a deficient number, since it is larger than the sum of its proper divisors (4457986).

8915966 is a wasteful number, since it uses less digits than its factorization.

8915966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4457985.

The product of its digits is 116640, while the sum is 44.

The square root of 8915966 is about 2985.9614866907. The cubic root of 8915966 is about 207.3589577159.

The spelling of 8915966 in words is "eight million, nine hundred fifteen thousand, nine hundred sixty-six".