8564946 has 16 divisors (see below), whose sum is σ = 18447744. Its totient is φ = 2635344.

The previous prime is 8564939. The next prime is 8564981. The reversal of 8564946 is 6494658.

It is a d-powerful number, because it can be written as 8⁷ + 5⁵ + 6² + 4⁵ + 9⁷ + 4⁵ + 6⁸ .

It is a junction number, because it is equal to n+sod(n) for n = 8564898 and 8564907.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54826 + ... + 54981.

It is an arithmetic number, because the mean of its divisors is an integer number (1152984).

Almost surely, 2^8564946 is an apocalyptic number.

8564946 is an abundant number, since it is smaller than the sum of its proper divisors (9882798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8564946 is a wasteful number, since it uses less digits than its factorization.

8564946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109825.

The product of its digits is 207360, while the sum is 42.

The square root of 8564946 is about 2926.5928996019. The cubic root of 8564946 is about 204.6012156304.

The spelling of 8564946 in words is "eight million, five hundred sixty-four thousand, nine hundred forty-six".