8420006 has 16 divisors (see below), whose sum is σ = 14787360. Its totient is φ = 3520320.

The previous prime is 8419993. The next prime is 8420029. The reversal of 8420006 is 6000248.

It is a self number, because there is not a number n which added to its sum of digits gives 8420006.

It is a congruent number.

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, 6761 + ... + 7908.

It is an arithmetic number, because the mean of its divisors is an integer number (924210).

Almost surely, 2^8420006 is an apocalyptic number.

8420006 is a deficient number, since it is larger than the sum of its proper divisors (6367354).

8420006 is a wasteful number, since it uses less digits than its factorization.

8420006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14719.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 8420006 is about 2901.7246595775. The cubic root of 8420006 is about 203.4405245684.

The spelling of 8420006 in words is "eight million, four hundred twenty thousand, six".