8422646 has 16 divisors (see below), whose sum is σ = 13250304. Its totient is φ = 4007784.

The previous prime is 8422627. The next prime is 8422649. The reversal of 8422646 is 6462248.

It is a happy number.

It is a d-powerful number, because it can be written as 8 + 4² + 2¹⁵ + 2²³ + 6 + 4⁵ + 6³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8422649) 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, 12695 + ... + 13341.

It is an arithmetic number, because the mean of its divisors is an integer number (828144).

Almost surely, 2^8422646 is an apocalyptic number.

8422646 is a deficient number, since it is larger than the sum of its proper divisors (4827658).

8422646 is a wasteful number, since it uses less digits than its factorization.

8422646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955.

The product of its digits is 18432, while the sum is 32.

The square root of 8422646 is about 2902.1795258047. The cubic root of 8422646 is about 203.4617845240.

The spelling of 8422646 in words is "eight million, four hundred twenty-two thousand, six hundred forty-six".