8423906 has 8 divisors (see below), whose sum is σ = 12648960. Its totient is φ = 4207588.

The previous prime is 8423903. The next prime is 8423923. The reversal of 8423906 is 6093248.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×8423906³ (a number of 22 digits) contains 333 as substring.

It is a d-powerful number, because it can be written as 8⁵ + 4⁴ + 2²³ + 3⁷ + 9² + 0 + 6 .

It is not an unprimeable number, because it can be changed into a prime (8423903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1415 + ... + 4341.

It is an arithmetic number, because the mean of its divisors is an integer number (1581120).

Almost surely, 2^8423906 is an apocalyptic number.

8423906 is a deficient number, since it is larger than the sum of its proper divisors (4225054).

8423906 is a wasteful number, since it uses less digits than its factorization.

8423906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4368.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 8423906 is about 2902.3965959186. The cubic root of 8423906 is about 203.4719297550.

The spelling of 8423906 in words is "eight million, four hundred twenty-three thousand, nine hundred six".